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.

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Reference 2: http://www.xbrl.org/2003/role/exampleRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Goodwill and Intangible Assets - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Goodwill And Intangible Assets [Line Items]
Amortization	$ 91.9	$ 85.0	$ 84.1
Minimum
Goodwill And Intangible Assets [Line Items]
Finite-lived intangible asset, useful life	1 year
Maximum
Goodwill And Intangible Assets [Line Items]
Finite-lived intangible asset, useful life	20 years