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v3.20.2

Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Jun. 30, 2020
Revenue, Performance Obligation [Abstract] |  |  |
Revenue, Remaining Performance Obligation, Amount | $ 490,400 |  |
Performance obligations to be recognized as revenue within next twelve months | 386,000 |  |
Contract with Customer, Asset and Liability [Abstract] |  |  |
Costs and estimated earnings in excess of billings on uncompleted contracts | 57,694 |  | $ 59,548
Change in CIE | (1,854) |  |
Billings on uncompleted contracts in excess of costs and estimated earnings | (63,523) |  | (63,889)
Change in BIE | 366 |  |
Change in net contract balances | (1,488) |  |
Contract with customer, current liability, net | (5,829) |  | (4,341)
Contract with Customer, Liability, Revenue Recognized | 41,200 |  |
Disclosure Customer Contracts Additional Information [Abstract] |  |  |
Construction Contractor, Receivable, Retainage, Year One | 33,000 |  | 37,300
Construction Contractor, Receivable, Retainage, after Year One | 3,800 |  | $ 1,600
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 182,771 | $ 338,097 |
Fixed-price Contract |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 133,356 | 176,320 |
Time-and-materials Contract |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 49,415 | 161,777 |
United States |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 161,377 | 314,416 |
Canada |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 19,611 | 21,170 |
Other international |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | $ 1,783 | $ 2,511 |

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