The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

Name:	us-gaap_AmortizationOfIntangibleAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

Goodwill and Other Intangible Assets - Narrative (Details) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Feb. 07, 2024	Jun. 02, 2023
Schedule of changes in the carrying amount of goodwill, by reportable segment and other operating segments
Amortization of intangible assets		$ 64,500,000	$ 43,900,000	$ 28,500,000
Estimated amortization expense
2025		57,000,000.0
2026		53,000,000.0
2027		52,000,000.0
2028		51,000,000.0
2029		50,000,000.0
Aggregate carrying value of definite lived intangible assets		483,500,000	459,500,000
Goodwill	$ 455,300,000	834,500,000	704,800,000	455,300,000
Impairment of goodwill and intangible assets		0	0	13,400,000
Impairments		0	0
Other indefinite-lived intangible assets				500,000
Intangibles, net		703,000,000.0	680,800,000
Impairment charges		900,000	0	300,000
ULC Robotics
Estimated amortization expense
Goodwill		0
Impairment of goodwill and intangible assets	12,900,000
Impairments	12,000,000.0
Ingénia Technologies Inc.
Schedule of changes in the carrying amount of goodwill, by reportable segment and other operating segments
Amortization of intangible assets		18,600,000
Estimated amortization expense
Goodwill		133,600,000			$ 142,400,000
ASPEQ Parent Holdings, Inc.
Schedule of changes in the carrying amount of goodwill, by reportable segment and other operating segments
Amortization of intangible assets			13,200,000
Estimated amortization expense
Goodwill						$ 195,000,000.0
Trademarks
Estimated amortization expense
Trademarks		219,500,000	221,300,000
Impairment charges		0.0	0.0	500,000
Trademarks \| ULC Robotics
Estimated amortization expense
Other indefinite-lived intangible assets	900,000
Intangibles, net		5,400,000
Trademarks \| ASPEQ Parent Holdings, Inc.
Estimated amortization expense
Trademarks		51,500,000
External revenues
Estimated amortization expense
Aggregate carrying value of definite lived intangible assets		379,400,000
Trademarks		156,500,000
Goodwill	201,300,000	580,700,000	445,900,000	201,300,000
Impairments		0	0
Detection and Measurement reportable segment
Estimated amortization expense
Aggregate carrying value of definite lived intangible assets		104,100,000
Trademarks		63,000,000.0
Goodwill	$ 254,000,000.0	253,800,000	258,900,000	$ 254,000,000.0
Impairments		$ 0	$ 0