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Acquisitions - Additional Information (Details) - USD ($) $ in Thousands				3 Months Ended		12 Months Ended
	Jan. 31, 2025	Nov. 01, 2024	Aug. 16, 2024	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Business Acquisition [Line Items]
Amortization of intangible assets				$ 16,400	$ 13,700
Revenues				1,554,360	$ 1,535,676
Goodwill				2,107,072		$ 2,082,680
Paid in 18 months
Business Acquisition [Line Items]
Cash paid to acquire	$ 3,800
TRS group Inc
Business Acquisition [Line Items]
Percentage of ownership interest acquired	100.00%
Cash paid to acquire	$ 36,600
Amortization of intangible assets				200
Revenues				4,100
Goodwill	$ 22,972
BCC Engineering, LLC
Business Acquisition [Line Items]
Percentage of ownership interest acquired		100.00%
Cash paid to acquire		$ 233,500
Amortization of intangible assets				2,200
Revenues				27,600
Goodwill		$ 175,680
Goodwill deductible for tax purposes				45,800
BCC Engineering, LLC | Selling, General and Administrative Expense
Business Acquisition [Line Items]
Acquisition related expenses						4,200
BlackSignal Technologies, LLC.
Business Acquisition [Line Items]
Percentage of ownership interest acquired			100.00%
Cash paid to acquire			$ 203,700
Amortization of intangible assets				3,200
Revenues				$ 13,100
Goodwill			119,663
Goodwill deductible for tax purposes			$ 15,700
BlackSignal Technologies, LLC. | Selling, General and Administrative Expense
Business Acquisition [Line Items]
Acquisition related expenses						$ 2,500

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