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Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2022

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

Disaggregated Revenues

We allocate geographic revenues based on the location of the customers' operations. Revenues by geographic area and customer type were as follows:

						Year Ended December 31, 2022																		Year Ended December 31, 2021																		Year Ended December 31, 2020
						Government Operations						Commercial Operations												Total						Government Operations						Commercial Operations												Total						Government Operations						Commercial Operations												Total
						(In thousands)
United States:
Government						$	1,703,005					$	—											$	1,703,005					$	1,624,078					$	—											$	1,624,078					$	1,635,399					$	—											$	1,635,399
Non-Government						91,653						31,120												122,773						90,421						44,102												134,523						116,356						35,432												151,788
						$	1,794,658					$	31,120											$	1,825,778					$	1,714,499					$	44,102											$	1,758,601					$	1,751,755					$	35,432											$	1,787,187
Canada:
Government						$	79					$	—											$	79					$	—					$	—											$	—					$	—					$	—											$	—
Non-Government						3,134						373,705												376,839						3,417						345,412												348,829						4,357						309,433												313,790
						$	3,213					$	373,705											$	376,918					$	3,417					$	345,412											$	348,829					$	4,357					$	309,433											$	313,790
Other:
Government						$	1,356					$	—											$	1,356					$	—					$	—											$	—					$	—					$	—											$	—
Non-Government						9,256						22,533												31,789						7,181						17,568												24,749						7,015						26,404												33,419
						$	10,612					$	22,533											$	33,145					$	7,181					$	17,568											$	24,749					$	7,015					$	26,404											$	33,419
Segment Revenues						$	1,808,483					$	427,358											2,235,841						$	1,725,097					$	407,082											2,132,179						$	1,763,127					$	371,269											2,134,396
Eliminations																								(3,007)																								(8,105)																								(10,880)
Revenues																								$	2,232,834																							$	2,124,074																							$	2,123,516

Revenues by timing of transfer of goods or services were as follows:

						Year Ended December 31, 2022																		Year Ended December 31, 2021																		Year Ended December 31, 2020
						Government Operations						Commercial Operations												Total						Government Operations						Commercial Operations												Total						Government Operations						Commercial Operations												Total
						(In thousands)
Over time						$	1,798,388					$	370,198											$	2,168,586					$	1,724,961					$	355,477											$	2,080,438					$	1,763,043					$	322,745											$	2,085,788
Point-in-time						10,095						57,160												67,255						136						51,605												51,741						84						48,524												48,608
Segment Revenues						$	1,808,483					$	427,358											2,235,841						$	1,725,097					$	407,082											2,132,179						$	1,763,127					$	371,269											2,134,396
Eliminations																								(3,007)																								(8,105)																								(10,880)
Revenues																								$	2,232,834																							$	2,124,074																							$	2,123,516

Revenues by contract type were as follows:

						Year Ended December 31, 2022																		Year Ended December 31, 2021																		Year Ended December 31, 2020
						Government Operations						Commercial Operations												Total						Government Operations						Commercial Operations												Total						Government Operations						Commercial Operations												Total
						(In thousands)
Fixed-Price Incentive Fee						$	1,226,265					$	9,728											$	1,235,993					$	1,244,916					$	9,279											$	1,254,195					$	1,226,748					$	1,578											$	1,228,326
Firm-Fixed-Price						334,076						300,129												634,205						307,652						307,200												614,852						336,496						296,394												632,890
Cost-Plus Fee						244,063						—												244,063						165,519						—												165,519						190,799						—												190,799
Time-and-Materials						4,079						117,501												121,580						7,010						90,603												97,613						9,084						73,297												82,381
Segment Revenues						$	1,808,483					$	427,358											2,235,841						$	1,725,097					$	407,082											2,132,179						$	1,763,127					$	371,269											2,134,396
Eliminations																								(3,007)																								(8,105)																								(10,880)
Revenues																								$	2,232,834																							$	2,124,074																							$	2,123,516

Contract with Customer, Asset and Liability

Retainages also vary as a result of timing differences between incurring costs and achieving milestones that allow us to recover these amounts.

						December 31,						December 31,
						2022						2021
						(In thousands)
Included in Contracts in progress:
Unbilled receivables						$	521,291					$	528,644
Retainages (1)						$	48,566					$	51,507
Advance billings on contracts						$	88,726					$	111,619

(1)At December 31, 2021, we also had noncurrent retainages of $1.3 million included in Other Assets.

X

- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130551-203045

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X

- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045

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- References

No definition available.

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