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Revenue - Performance obligations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenue expected timing
Revenue	$ 1,890,745	$ 1,563,715	$ 3,538,858	$ 2,976,422
Remaining performance obligations	5,300,000		5,300,000
Revenue recognized from performance obligations satisfied in previous periods	600		7,900
Amount of contract modifications included in the expected contract value.	$ 253,700		253,700
Amount of unapproved contract modifications recognized as revenue on a cumulative catch-up basis			192,700
Revenue recognized over time
Revenue expected timing
Revenue			$ 2,634,600	$ 2,116,800

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The amount of contract modifications included in the expected contract value.

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