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Financial Instruments and Risk Management (Details) - USD ($) $ in Millions		12 Months Ended
	Sep. 27, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Aug. 27, 2019
Derivatives, Fair Value [Line Items]
Cash deposits related to commodity derivative contracts		$ 0.6	$ 1.0
Realized loss (gain) on derivative		(0.9)
Remaining pre-tax income (loss) deferred on derivative contracts		(3.4)	1.0	$ 0.0
Income tax (benefit) on derivative contracts		(0.8)	0.2	$ 0.0
Interest Rate Swap
Derivatives, Fair Value [Line Items]
Notional amount		127.5			$ 150.0
Quarterly decrease in derivative balance	$ 7.5
Realized loss (gain) on derivative			0.2
Remaining pre-tax income (loss) deferred on derivative contracts		(3.4)	0.9
Income tax (benefit) on derivative contracts		$ (0.8)	$ 0.2

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