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v3.23.1

Revenues and Contract Balances - Disaggregation of Revenues (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2023 | Mar. 31, 2022
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | $ 1,744,270 | $ 1,583,980 | $ 4,999,445 | $ 4,560,656
Expertise |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 812,300 | 716,199 | 2,288,123 | 2,105,554
Technology |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 931,970 | 867,781 | 2,711,322 | 2,455,102
Prime contractor |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 1,556,733 | 1,419,805 | 4,467,882 | 4,097,210
Subcontractor |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 187,537 | 164,175 | 531,563 | 463,446
Department of Defense |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 1,298,700 | 1,118,665 | 3,554,080 | 3,155,806
Federal Civilian agencies |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 355,612 | 380,837 | 1,179,467 | 1,166,398
Commercial and other |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 89,958 | 84,478 | 265,898 | 238,452
Cost-plus-fee |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 1,008,688 | 889,624 | 2,896,778 | 2,672,695
Fixed-price |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 529,786 | 503,174 | 1,520,915 | 1,344,169
Time-and-materials |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 205,796 | 191,182 | 581,752 | 543,792
Domestic |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 1,694,479 | 1,532,880 | 4,858,549 | 4,414,852
Domestic | Expertise |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 793,993 | 697,347 | 2,237,146 | 2,049,180
Domestic | Technology |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 900,486 | 835,533 | 2,621,403 | 2,365,672
Domestic | Prime contractor |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 1,511,758 | 1,373,045 | 4,339,579 | 3,964,227
Domestic | Subcontractor |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 182,721 | 159,835 | 518,970 | 450,625
Domestic | Department of Defense |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 1,298,700 | 1,118,665 | 3,554,080 | 3,155,806
Domestic | Federal Civilian agencies |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 355,612 | 380,837 | 1,179,467 | 1,166,398
Domestic | Commercial and other |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 40,167 | 33,378 | 125,002 | 92,648
Domestic | Cost-plus-fee |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 1,008,688 | 889,624 | 2,896,778 | 2,672,695
Domestic | Fixed-price |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 494,095 | 468,116 | 1,420,858 | 1,242,601
Domestic | Time-and-materials |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 191,696 | 175,140 | 540,913 | 499,556
International |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 49,791 | 51,100 | 140,896 | 145,804
International | Expertise |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 18,307 | 18,852 | 50,977 | 56,374
International | Technology |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 31,484 | 32,248 | 89,919 | 89,430
International | Prime contractor |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 44,975 | 46,760 | 128,303 | 132,983
International | Subcontractor |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 4,816 | 4,340 | 12,593 | 12,821
International | Department of Defense |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
International | Federal Civilian agencies |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
International | Commercial and other |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 49,791 | 51,100 | 140,896 | 145,804
International | Cost-plus-fee |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
International | Fixed-price |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | 35,691 | 35,058 | 100,057 | 101,568
International | Time-and-materials |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenues | $ 14,100 | $ 16,042 | $ 40,839 | $ 44,236

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