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Business Segment Information - Segment Related Capital Expenditure, Depreciation and Amortization on those Expenditures (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Revenues from External Customers and Long-Lived Assets
Capital Expenditures	$ 11.9	$ 5.7	$ 29.8	$ 18.8
Depreciation and Amortization Expense	25.2	25.2	75.6	75.0
Operating Segments | Sealing Technologies
Revenues from External Customers and Long-Lived Assets
Capital Expenditures	5.6	2.8	12.4	7.8
Depreciation and Amortization Expense	8.5	8.3	25.0	24.5
Operating Segments | Advanced Surface Technologies
Revenues from External Customers and Long-Lived Assets
Capital Expenditures	6.3	2.9	17.4	11.0
Depreciation and Amortization Expense	$ 16.7	$ 16.9	$ 50.6	$ 50.5

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- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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Amount of expenditure for addition to long-lived assets included in determination of segment assets by chief operating decision maker (CODM) or otherwise regularly provided to CODM. Excludes expenditure for addition to financial instrument, long-term customer relationship of financial institution, mortgage and other servicing rights, deferred policy acquisition cost, and deferred tax assets.

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