Intangible Assets, Net (Tables)

12 Months Ended

Dec. 31, 2024

Intangible Assets, Net

Summary of intangible assets, net

		December 31, 2024				December 31, 2023
	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	13.9	$	753.4	$	(559.6)	$	716.0	$	(520.5)
Backlog of orders	7.9		21.0		(8.2)		22.9		(6.0)
Other	9.3		10.2		(9.6)		10.0		(9.5)
			784.6		(577.4)		748.9		(536.0)
Intangible assets not subject to amortization:
Trade names			800.0		—		768.2		—
		$	1,584.6	$	(577.4)	$	1,517.1	$	(536.0)

Schedule of carrying amount of intangible assets

	(in millions)
Balance at January 1, 2023	$	1,019.6
Acquisition		3.9
Amortization expense		(43.8)
Effect of foreign currency translation		1.4
Balance at December 31, 2023		981.1
Acquisitions		80.9
Amortization expense		(42.6)
Impairment		(11.2)
Other		2.2
Effect of foreign currency translation		(3.2)
Balance at December 31, 2024	$	1,007.2

Summary of estimated aggregate amortization expense

	(in millions)
2025	$	39.0
2026		29.5
2027		28.9
2028		27.4
2029		25.3
Thereafter		57.1
	$	207.2