Annual report
3420.TEDINET S100R4O1
Period2022-04-01 → 2023-03-31
Filed2023-06-26
StandardJapan GAAP
ConsolidatedYes
Data checks24 of 24 passed
Key figures · 148
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥22.6bn | 2022-04-01 → 2023-03-31 | Cons. | Net sales |
| Revenue | ¥26.0bn | 2021-04-01 → 2022-03-31 | Cons. | Net sales |
| Revenue | ¥27.8bn | 2020-04-01 → 2021-03-31d | Cons. | Net sales (5-year summary) |
| Revenue | ¥28.5bn | 2019-04-01 → 2020-03-31d | Cons. | Net sales (5-year summary) |
| Revenue | ¥24.7bn | 2018-04-01 → 2019-03-31d | Cons. | Net sales (5-year summary) |
| Operating income | ¥1.3bn | 2022-04-01 → 2023-03-31 | Cons. | Operating income |
| Operating income | ¥2.5bn | 2021-04-01 → 2022-03-31 | Cons. | Operating income |
| Ordinary income | ¥1.4bn | 2022-04-01 → 2023-03-31 | Cons. | Ordinary income |
| Ordinary income | ¥2.6bn | 2021-04-01 → 2022-03-31 | Cons. | Ordinary income |
| Ordinary income | ¥3.4bn | 2020-04-01 → 2021-03-31d | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥3.0bn | 2019-04-01 → 2020-03-31d | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥2.3bn | 2018-04-01 → 2019-03-31d | Cons. | Ordinary income loss (5-year summary) |
| Profit before tax | ¥1.5bn | 2022-04-01 → 2023-03-31 | Cons. | Income before income taxes |
| Profit before tax | ¥2.6bn | 2021-04-01 → 2022-03-31 | Cons. | Income before income taxes |
| Net income (owners) | ¥1.1bn | 2022-04-01 → 2023-03-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥1.8bn | 2021-04-01 → 2022-03-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥2.3bn | 2020-04-01 → 2021-03-31d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥2.1bn | 2019-04-01 → 2020-03-31d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥1.6bn | 2018-04-01 → 2019-03-31d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income | ¥1.0bn | 2022-04-01 → 2023-03-31 | Cons. | Profit loss |
| Net income | ¥1.8bn | 2021-04-01 → 2022-03-31 | Cons. | Profit loss |
| Total assets | ¥26.2bn | at 2023-03-31 | Cons. | Assets |
| Total assets | ¥26.2bn | at 2022-03-31 | Cons. | Assets |
| Total assets | ¥26.6bn | at 2021-03-31d | Cons. | Total assets (5-year summary) |
| Total assets | ¥24.7bn | at 2020-03-31d | Cons. | Total assets (5-year summary) |
| Total assets | ¥23.8bn | at 2019-03-31d | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥6.6bn | at 2023-03-31 | Cons. | Liabilities |
| Total liabilities | ¥7.0bn | at 2022-03-31 | Cons. | Liabilities |
| Net assets / equity | ¥19.6bn | at 2023-03-31 | Cons. | Net assets |
| Net assets / equity | ¥19.2bn | at 2022-03-31 | Cons. | Net assets |
| Net assets / equity | ¥18.1bn | at 2021-03-31d | Cons. | Net assets |
| Net assets / equity | ¥15.9bn | at 2020-03-31d | Cons. | Net assets (5-year summary) |
| Net assets / equity | ¥14.2bn | at 2019-03-31d | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥3.2bn | at 2023-03-31 | Cons. | Cash and deposits |
| Cash and deposits | ¥3.0bn | at 2022-03-31 | Cons. | Cash and deposits |
| Cash & equivalents | ¥6.0bn | at 2023-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥3.7bn | at 2022-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥4.4bn | at 2021-03-31d | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥4.9bn | at 2020-03-31d | Cons. | Cash and cash equivalents (5-year summary) |
| Cash & equivalents | ¥4.5bn | at 2019-03-31d | Cons. | Cash and cash equivalents (5-year summary) |
| Operating cash flow | ¥3.8bn | 2022-04-01 → 2023-03-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥1.0bn | 2021-04-01 → 2022-03-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥584m | 2020-04-01 → 2021-03-31d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥952m | 2019-04-01 → 2020-03-31d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥4.0bn | 2018-04-01 → 2019-03-31d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Investing cash flow | −¥958m | 2022-04-01 → 2023-03-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥1.0bn | 2021-04-01 → 2022-03-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥466m | 2020-04-01 → 2021-03-31d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | ¥104m | 2019-04-01 → 2020-03-31d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥726m | 2018-04-01 → 2019-03-31d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Financing cash flow | −¥521m | 2022-04-01 → 2023-03-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥694m | 2021-04-01 → 2022-03-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥612m | 2020-04-01 → 2021-03-31d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥671m | 2019-04-01 → 2020-03-31d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥879m | 2018-04-01 → 2019-03-31d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| EPS (basic) | ¥142.95 | 2022-04-01 → 2023-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥250.11 | 2021-04-01 → 2022-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥313.43 | 2020-04-01 → 2021-03-31d | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥285.83 | 2019-04-01 → 2020-03-31d | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥212.34 | 2018-04-01 → 2019-03-31d | Cons. | Basic earnings loss per share (5-year summary) |
| Net assets per share | ¥2,657.3 | at 2023-03-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥2,601.32 | at 2022-03-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥2,458.84 | at 2021-03-31d | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥2,153.2 | at 2020-03-31d | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥1,930.96 | at 2019-03-31d | Cons. | Net assets per share (5-year summary) |
| Equity ratio | 74.7% | at 2023-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 73.0% | at 2022-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 68.1% | at 2021-03-31d | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 64.1% | at 2020-03-31d | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 59.8% | at 2019-03-31d | Cons. | Equity to asset ratio (5-year summary) |
| ROE | 5.4% | 2022-04-01 → 2023-03-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 9.9% | 2021-04-01 → 2022-03-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 13.6% | 2020-04-01 → 2021-03-31d | Cons. | Rate of return on equity (5-year summary) |
| ROE | 14.0% | 2019-04-01 → 2020-03-31d | Cons. | Rate of return on equity (5-year summary) |
| ROE | 11.4% | 2018-04-01 → 2019-03-31d | Cons. | Rate of return on equity (5-year summary) |
| Employees | 304 | at 2023-03-31 | Cons. | Number of employees |
| Employees | 293 | at 2022-03-31 | Cons. | Number of employees |
| Employees | 286 | at 2021-03-31d | Cons. | Number of employees |
| Employees | 282 | at 2020-03-31d | Cons. | Number of employees |
| Employees | 274 | at 2019-03-31d | Cons. | Number of employees |
| Revenue | ¥20.9bn | 2022-04-01 → 2023-03-31 | Standalone | Net sales |
| Revenue | ¥24.3bn | 2021-04-01 → 2022-03-31 | Standalone | Net sales |
| Revenue | ¥26.2bn | 2020-04-01 → 2021-03-31d | Standalone | Net sales (5-year summary) |
| Revenue | ¥27.0bn | 2019-04-01 → 2020-03-31d | Standalone | Net sales (5-year summary) |
| Revenue | ¥23.4bn | 2018-04-01 → 2019-03-31d | Standalone | Net sales (5-year summary) |
| Operating income | ¥979m | 2022-04-01 → 2023-03-31 | Standalone | Operating income |
| Operating income | ¥2.2bn | 2021-04-01 → 2022-03-31 | Standalone | Operating income |
| Ordinary income | ¥1.1bn | 2022-04-01 → 2023-03-31 | Standalone | Ordinary income |
| Ordinary income | ¥2.3bn | 2021-04-01 → 2022-03-31 | Standalone | Ordinary income |
| Ordinary income | ¥3.1bn | 2020-04-01 → 2021-03-31d | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥2.8bn | 2019-04-01 → 2020-03-31d | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥2.2bn | 2018-04-01 → 2019-03-31d | Standalone | Ordinary income loss (5-year summary) |
| Profit before tax | ¥1.3bn | 2022-04-01 → 2023-03-31 | Standalone | Income before income taxes |
| Profit before tax | ¥2.3bn | 2021-04-01 → 2022-03-31 | Standalone | Income before income taxes |
| Net income | ¥876m | 2022-04-01 → 2023-03-31 | Standalone | Profit loss |
| Net income | ¥1.7bn | 2021-04-01 → 2022-03-31 | Standalone | Profit loss |
| Net income | ¥2.1bn | 2020-04-01 → 2021-03-31d | Standalone | Net income loss (5-year summary) |
| Net income | ¥2.0bn | 2019-04-01 → 2020-03-31d | Standalone | Net income loss (5-year summary) |
| Net income | ¥1.5bn | 2018-04-01 → 2019-03-31d | Standalone | Net income loss (5-year summary) |
| Total assets | ¥23.6bn | at 2023-03-31 | Standalone | Assets |
| Total assets | ¥23.8bn | at 2022-03-31 | Standalone | Assets |
| Total assets | ¥24.9bn | at 2021-03-31d | Standalone | Total assets (5-year summary) |
| Total assets | ¥23.4bn | at 2020-03-31d | Standalone | Total assets (5-year summary) |
| Total assets | ¥22.6bn | at 2019-03-31d | Standalone | Total assets (5-year summary) |
| Total liabilities | ¥5.5bn | at 2023-03-31 | Standalone | Liabilities |
| Total liabilities | ¥6.0bn | at 2022-03-31 | Standalone | Liabilities |
| Net assets / equity | ¥18.1bn | at 2023-03-31 | Standalone | Net assets |
| Net assets / equity | ¥17.8bn | at 2022-03-31 | Standalone | Net assets |
| Net assets / equity | ¥17.0bn | at 2021-03-31d | Standalone | Net assets |
| Net assets / equity | ¥15.0bn | at 2020-03-31d | Standalone | Net assets (5-year summary) |
| Net assets / equity | ¥13.5bn | at 2019-03-31d | Standalone | Net assets (5-year summary) |
| Cash and deposits | ¥2.8bn | at 2023-03-31 | Standalone | Cash and deposits |
| Cash and deposits | ¥2.5bn | at 2022-03-31 | Standalone | Cash and deposits |
| EPS (basic) | ¥118.98 | 2022-04-01 → 2023-03-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥224.42 | 2021-04-01 → 2022-03-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥289.28 | 2020-04-01 → 2021-03-31d | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥265.95 | 2019-04-01 → 2020-03-31d | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥200.46 | 2018-04-01 → 2019-03-31d | Standalone | Basic earnings loss per share (5-year summary) |
| Dividend per share | ¥50 | 2022-04-01 → 2023-03-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥70 | 2021-04-01 → 2022-03-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥80 | 2020-04-01 → 2021-03-31d | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥70 | 2019-04-01 → 2020-03-31d | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥50 | 2018-04-01 → 2019-03-31d | Standalone | Dividend paid per share (5-year summary) |
| Net assets per share | ¥2,454.37 | at 2023-03-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥2,422.32 | at 2022-03-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥2,306.57 | at 2021-03-31d | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥2,034.35 | at 2020-03-31d | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥1,828.19 | at 2019-03-31d | Standalone | Net assets per share (5-year summary) |
| Equity ratio | 76.6% | at 2023-03-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 74.9% | at 2022-03-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 68.2% | at 2021-03-31d | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 64.0% | at 2020-03-31d | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 59.6% | at 2019-03-31d | Standalone | Equity to asset ratio (5-year summary) |
| ROE | 4.9% | 2022-04-01 → 2023-03-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 9.5% | 2021-04-01 → 2022-03-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 13.3% | 2020-04-01 → 2021-03-31d | Standalone | Rate of return on equity (5-year summary) |
| ROE | 13.8% | 2019-04-01 → 2020-03-31d | Standalone | Rate of return on equity (5-year summary) |
| ROE | 11.4% | 2018-04-01 → 2019-03-31d | Standalone | Rate of return on equity (5-year summary) |
| Shares issued | 7,378,050 | at 2023-03-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 7,378,050 | at 2022-03-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 7,378,050 | at 2021-03-31d | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 7,378,050 | at 2020-03-31d | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 7,378,050 | at 2019-03-31d | Standalone | Total number of issued shares (5-year summary) |
| Employees | 288 | at 2023-03-31 | Standalone | Number of employees |
| Employees | 271 | at 2022-03-31 | Standalone | Number of employees |
| Employees | 263 | at 2021-03-31d | Standalone | Number of employees |
| Employees | 261 | at 2020-03-31d | Standalone | Number of employees |
| Employees | 253 | at 2019-03-31d | Standalone | Number of employees |
Periods use the dates stated in the filing. d = earlier-year period dated by calendar; v = that date confirmed by the company's own earlier filing.
Segments · 32
| Segment | Item | Period | Value |
|---|---|---|---|
| Construction Material Divisionreportable segment | depreciation | 2022-04-01 → 2023-03-31 | ¥48m |
| Construction Material Divisionreportable segment | employees | at 2023-03-31 | 90 pure |
| Construction Material Divisionreportable segment | revenue | 2022-04-01 → 2023-03-31 | ¥7.1bn |
| Construction Material Divisionreportable segment | revenue external | 2022-04-01 → 2023-03-31 | ¥7.1bn |
| Construction Material Divisionreportable segment | segment ordinary income | 2022-04-01 → 2023-03-31 | ¥589m |
| Construction Works Divisionreportable segment | depreciation | 2022-04-01 → 2023-03-31 | ¥75m |
| Construction Works Divisionreportable segment | employees | at 2023-03-31 | 95 pure |
| Construction Works Divisionreportable segment | revenue | 2022-04-01 → 2023-03-31 | ¥8.8bn |
| Construction Works Divisionreportable segment | revenue external | 2022-04-01 → 2023-03-31 | ¥8.8bn |
| Construction Works Divisionreportable segment | segment ordinary income | 2022-04-01 → 2023-03-31 | ¥742m |
| Tunneling Works Divisionreportable segment | depreciation | 2022-04-01 → 2023-03-31 | ¥99m |
| Tunneling Works Divisionreportable segment | employees | at 2023-03-31 | 38 pure |
| Tunneling Works Divisionreportable segment | revenue | 2022-04-01 → 2023-03-31 | ¥6.8bn |
| Tunneling Works Divisionreportable segment | revenue external | 2022-04-01 → 2023-03-31 | ¥6.8bn |
| Tunneling Works Divisionreportable segment | segment ordinary income | 2022-04-01 → 2023-03-31 | ¥65m |
| —segment total | employees | at 2023-03-31 | 223 pure |
| Construction Material Divisionreportable segment | depreciation | 2021-04-01 → 2022-03-31 | ¥60m |
| Construction Material Divisionreportable segment | revenue | 2021-04-01 → 2022-03-31 | ¥8.2bn |
| Construction Material Divisionreportable segment | revenue external | 2021-04-01 → 2022-03-31 | ¥8.2bn |
| Construction Material Divisionreportable segment | segment ordinary income | 2021-04-01 → 2022-03-31 | ¥1.3bn |
| Construction Works Divisionreportable segment | depreciation | 2021-04-01 → 2022-03-31 | ¥78m |
| Construction Works Divisionreportable segment | revenue | 2021-04-01 → 2022-03-31 | ¥10.8bn |
| Construction Works Divisionreportable segment | revenue external | 2021-04-01 → 2022-03-31 | ¥10.8bn |
| Construction Works Divisionreportable segment | segment ordinary income | 2021-04-01 → 2022-03-31 | ¥1.2bn |
| Tunneling Works Divisionreportable segment | depreciation | 2021-04-01 → 2022-03-31 | ¥57m |
| Tunneling Works Divisionreportable segment | revenue | 2021-04-01 → 2022-03-31 | ¥6.9bn |
| Tunneling Works Divisionreportable segment | revenue external | 2021-04-01 → 2022-03-31 | ¥6.9bn |
| Tunneling Works Divisionreportable segment | segment ordinary income | 2021-04-01 → 2022-03-31 | ¥117m |
| Construction Material Divisionreportable segment | employees | at 2023-03-31 | 90 pure |
| Construction Works Divisionreportable segment | employees | at 2023-03-31 | 79 pure |
| Tunneling Works Divisionreportable segment | employees | at 2023-03-31 | 38 pure |
| —segment total | employees | at 2023-03-31 | 207 pure |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 1,652
| Item | Context | Value | Unit |
|---|---|---|---|
| Ordinary income | Prior1YearDuration_jpcrp030000-asr_E02876-000TunnelingWorksDivisionReportableSegmentsMember | 117178000 | JPY |
| Ordinary income | Prior1YearDuration_jpcrp030000-asr_E02876-000ConstructionWorksDivisionReportableSegmentsMember | 1168875000 | JPY |
| Ordinary income | Prior1YearDuration | 2599708000 | JPY |
| Depreciation segment information | Prior1YearDuration_jpcrp030000-asr_E02876-000ConstructionMaterialDivisionReportableSegmentsMember | 59635000 | JPY |
| Depreciation segment information | Prior1YearDuration_jpcrp030000-asr_E02876-000TunnelingWorksDivisionReportableSegmentsMember | 57009000 | JPY |
| Depreciation segment information | Prior1YearDuration_jpcrp030000-asr_E02876-000ConstructionWorksDivisionReportableSegmentsMember | 78287000 | JPY |
| Depreciation segment information | Prior1YearDuration | 194933000 | JPY |
| Interest income noi | Prior1YearDuration_jpcrp030000-asr_E02876-000ConstructionMaterialDivisionReportableSegmentsMember | 368000 | JPY |
| Interest income noi | Prior1YearDuration_jpcrp030000-asr_E02876-000TunnelingWorksDivisionReportableSegmentsMember | 321000 | JPY |
| Interest income noi | Prior1YearDuration_jpcrp030000-asr_E02876-000ConstructionWorksDivisionReportableSegmentsMember | 497000 | JPY |
| Interest income noi | Prior1YearDuration | 1187000 | JPY |
| Interest expenses noe | Prior1YearDuration_jpcrp030000-asr_E02876-000ConstructionMaterialDivisionReportableSegmentsMember | 1813000 | JPY |
| Interest expenses noe | Prior1YearDuration_jpcrp030000-asr_E02876-000TunnelingWorksDivisionReportableSegmentsMember | 1528000 | JPY |
| Interest expenses noe | Prior1YearDuration_jpcrp030000-asr_E02876-000ConstructionWorksDivisionReportableSegmentsMember | 2382000 | JPY |
| Interest expenses noe | Prior1YearDuration | 5724000 | JPY |
| Revenues from external customers | CurrentYearDuration_jpcrp030000-asr_E02876-000ConstructionMaterialDivisionReportableSegmentsMember | 7077568000 | JPY |
| Revenues from external customers | CurrentYearDuration_jpcrp030000-asr_E02876-000TunnelingWorksDivisionReportableSegmentsMember | 6779312000 | JPY |
| Revenues from external customers | CurrentYearDuration_jpcrp030000-asr_E02876-000ConstructionWorksDivisionReportableSegmentsMember | 8770440000 | JPY |
| Revenues from external customers | CurrentYearDuration | 22627321000 | JPY |
| Transactions with other segments | CurrentYearDuration_jpcrp030000-asr_E02876-000ConstructionMaterialDivisionReportableSegmentsMember | － | JPY |
| Transactions with other segments | CurrentYearDuration_jpcrp030000-asr_E02876-000TunnelingWorksDivisionReportableSegmentsMember | － | JPY |
| Transactions with other segments | CurrentYearDuration_jpcrp030000-asr_E02876-000ConstructionWorksDivisionReportableSegmentsMember | － | JPY |
| Transactions with other segments | CurrentYearDuration | － | JPY |
| Net sales | CurrentYearDuration_jpcrp030000-asr_E02876-000ConstructionMaterialDivisionReportableSegmentsMember | 7077568000 | JPY |
| Net sales | CurrentYearDuration_jpcrp030000-asr_E02876-000TunnelingWorksDivisionReportableSegmentsMember | 6779312000 | JPY |
| Net sales | CurrentYearDuration_jpcrp030000-asr_E02876-000ConstructionWorksDivisionReportableSegmentsMember | 8770440000 | JPY |
| Net sales | CurrentYearDuration | 22627321000 | JPY |
| Ordinary income | CurrentYearDuration_jpcrp030000-asr_E02876-000ConstructionMaterialDivisionReportableSegmentsMember | 589370000 | JPY |
| Ordinary income | CurrentYearDuration_jpcrp030000-asr_E02876-000TunnelingWorksDivisionReportableSegmentsMember | 65175000 | JPY |
| Ordinary income | CurrentYearDuration_jpcrp030000-asr_E02876-000ConstructionWorksDivisionReportableSegmentsMember | 741574000 | JPY |
| Ordinary income | CurrentYearDuration | 1396120000 | JPY |
| Depreciation segment information | CurrentYearDuration_jpcrp030000-asr_E02876-000ConstructionMaterialDivisionReportableSegmentsMember | 48412000 | JPY |
| Depreciation segment information | CurrentYearDuration_jpcrp030000-asr_E02876-000TunnelingWorksDivisionReportableSegmentsMember | 99443000 | JPY |
| Depreciation segment information | CurrentYearDuration_jpcrp030000-asr_E02876-000ConstructionWorksDivisionReportableSegmentsMember | 74709000 | JPY |
| Depreciation segment information | CurrentYearDuration | 222565000 | JPY |
| Interest income noi | CurrentYearDuration_jpcrp030000-asr_E02876-000ConstructionMaterialDivisionReportableSegmentsMember | 340000 | JPY |
| Interest income noi | CurrentYearDuration_jpcrp030000-asr_E02876-000TunnelingWorksDivisionReportableSegmentsMember | 334000 | JPY |
| Interest income noi | CurrentYearDuration_jpcrp030000-asr_E02876-000ConstructionWorksDivisionReportableSegmentsMember | 507000 | JPY |
| Interest income noi | CurrentYearDuration | 1182000 | JPY |
| Interest expenses noe | CurrentYearDuration_jpcrp030000-asr_E02876-000ConstructionMaterialDivisionReportableSegmentsMember | 2004000 | JPY |
| Interest expenses noe | CurrentYearDuration_jpcrp030000-asr_E02876-000TunnelingWorksDivisionReportableSegmentsMember | 1919000 | JPY |
| Interest expenses noe | CurrentYearDuration_jpcrp030000-asr_E02876-000ConstructionWorksDivisionReportableSegmentsMember | 2483000 | JPY |
| Interest expenses noe | CurrentYearDuration | 6407000 | JPY |
| Cash and deposits | Prior1YearInstant_NonConsolidatedMember | 2521360000 | JPY |
| Cash and deposits | CurrentYearInstant_NonConsolidatedMember | 2760137000 | JPY |
| Notes receivable trade | Prior1YearInstant_NonConsolidatedMember | 1021111000 | JPY |
| Notes receivable trade | CurrentYearInstant_NonConsolidatedMember | 579660000 | JPY |
| Electronically recorded monetary claims operating ca | Prior1YearInstant_NonConsolidatedMember | 1167043000 | JPY |
| Electronically recorded monetary claims operating ca | CurrentYearInstant_NonConsolidatedMember | 1271705000 | JPY |
| Accounts receivable trade | Prior1YearInstant_NonConsolidatedMember | 1399723000 | JPY |
Every row of the EDINET CSV. Item names are the XBRL element names; filed text is kept in its original Japanese. Filed text is available on Plus and Pro.
Data checks · 24 of 24 passed
| balance sheet identity | pass |
| balance sheet identity | pass rounding |
| balance sheet identity | pass |
| balance sheet identity | pass |
| dei present | pass |
| period resolution | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net income attributable to parent | pass |
| statement vs summary · net income attributable to parent | pass |
| statement vs summary · operating cash flow | pass |
| statement vs summary · operating cash flow | pass |
| statement vs summary · revenue | pass |
| statement vs summary · revenue | pass |
| statement vs summary · revenue | pass |
| statement vs summary · revenue | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |