Intangible Assets, Net (Tables)

6 Months Ended

Jun. 30, 2025

Intangible Assets, Net

Summary of intangible assets, net

		June 30, 2025				December 31, 2024
	Weighted Average	Gross				Gross
	Amortizable	Carrying		Accumulated		Carrying		Accumulated
	Life in Years	Amount		Amortization		Amount		Amortization
		(in millions)
Intangible assets subject to amortization:
Customer lists/relationships	14.0	$	755.1	$	(579.8)	$	753.4	$	(559.6)
Backlog of orders	7.9		22.1		(10.0)		21.0		(8.2)
Other	9.3		10.2		(9.7)		10.2		(9.6)
			787.4		(599.5)		784.6		(577.4)
Intangible assets not subject to amortization:
Trade names			800.8		—		800.0		—
		$	1,588.2	$	(599.5)	$	1,584.6	$	(577.4)

Schedule of carrying amount of intangible assets

	(in millions)
Balance as of January 1, 2025	$	1,007.2
Amortization expense		(20.8)
Effect of foreign currency translation		2.3
Balance as of June 30, 2025	$	988.7

Summary of estimated aggregate amortization expense

	(in millions)
2025 (remaining six months)	$	18.4
2026		29.8
2027		29.1
2028		27.7
2029		25.5
Thereafter		57.4
	$	187.9