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Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information
Amortization expense	$ 46.4	$ 37.7	$ 32.5
Sealing Technologies
Segment Reporting Information
Accumulated impairment losses	27.8	27.8	27.8
Engineered Materials
Segment Reporting Information
Accumulated impairment losses	$ 108.7	$ 154.8	$ 154.8

X

- Definition

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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- Definition

Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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