Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2024

Schedule of Property, Plant and Equipment

Depreciation for property, plant and equipment, other than land and construction in progress, is based upon the following estimated useful lives using the straight-line method:


Building and building improvements			20 to 39 years
Leasehold improvements			Lesser of lease term or useful life of asset
Machinery and equipment			2 to 15 years
Furniture and fixtures			3 to 5 years

Property, plant and equipment at cost and accumulated depreciation were as follows:


	As of December 31,
(in millions)	2024		2023
Land	$	12.2	$	9.0
Building and building improvements	226.8		205.3
Machinery and equipment	672.7		572.2
Furniture and fixtures	20.8		18.1
Leasehold improvements	16.4		16.0
Construction in process	136.6		137.5
Property, plant and equipment, gross	1,085.5		958.1
Less: accumulated depreciation	(362.4)		(293.2)
Property, plant and equipment, net	$	723.1	$	664.9

Schedule of Components of Intangible Assets

Intangible assets with finite useful lives are amortized based on the pattern in which the economic benefits of the assets are estimated to be consumed over the following estimated useful lives of the assets:


Customer relationships			14 years
Internal-use software			3 to 5 years
Developed technology			13 to 15 years
Patents			8 to 15 years

The gross carrying amount, accumulated amortization and net book value of intangible assets at the end of each period were as follows:


	As of December 31,
	2024						2023
(in millions)	Gross Carrying Amount		Accumulated Amortization		Net Book Value		Gross Carrying Amount		Accumulated Amortization		Net Book Value
Customer relationships	$	43.1	$	(33.5)	$	9.6	$	43.2	$	(30.9)	$	12.3
Internal-use software	52.4		(15.6)		36.8		43.1		(13.9)		29.2
Developed technology	27.4		(4.9)		22.5		27.4		(3.0)		24.4
Patents	36.2		(6.6)		29.6		36.2		(3.4)		32.8
Total intangible assets	$	159.1	$	(60.6)	$	98.5	$	149.9	$	(51.2)	$	98.7