Acquisition and Divestiture Activity -Divestiture of Reflectix Inc. (Details) - Disposal Group, Disposed of by Sale, Not Discontinued Operations - Reflectix, Inc - Protective $ in Millions	3 Months Ended	12 Months Ended
Dec. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of business	$ 82.5
Gain on disposal		$ 45.3
Net carrying value of business	35.8	35.8
Inventory	6.8	6.8
Trade receivables	6.6	6.6
Property and equipment	1.0	1.0
Goodwill	$ 23.2	23.2
Tax expense related to gain on sale		$ 17.3

Disposal Group, Including Discontinued Operation, Net Carrying Value

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Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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Amount classified as accounts, notes and loans receivable attributable to disposal group held for sale or disposed of.

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