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v3.21.2

Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Jun. 30, 2021
Revenue, Performance Obligation [Abstract] |  |  |
Revenue, Remaining Performance Obligation, Amount | $ 365,400 |  |
Performance obligations to be recognized as revenue within next twelve months | 302,200 |  |
Contract with Customer, Asset and Liability [Abstract] |  |  |
Costs and estimated earnings in excess of billings on uncompleted contracts | 33,766 |  | $ 30,774
Change in CIE | 2,992 |  |
Billings on uncompleted contracts in excess of costs and estimated earnings | (50,973) |  | (53,832)
Change in BIE | 2,859 |  |
Change in net contract balances | 5,851 |  |
Contract with customer, current liability, net | (17,207) |  | (23,058)
Contract with Customer, Liability, Revenue Recognized | 44,300 |  |
Disclosure Customer Contracts Additional Information [Abstract] |  |  |
Construction Contractor, Receivable, Retainage, Year One | 12,800 |  | 19,900
Construction Contractor, Receivable, Retainage, after Year One | 2,600 |  | $ 3,100
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 168,093 | $ 182,771 |
Loss on Contracts | 5,900 |  |
Fixed-price Contract |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 102,065 | 133,356 |
Time-and-materials Contract |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 66,028 | 49,415 |
United States |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 153,284 | 161,377 |
Canada |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 13,510 | 19,611 |
Other international |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | $ 1,299 | $ 1,783 |

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