Income Taxes - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ 3.4	$ 7.1	$ (1.3)	$ 7.9
Pre-tax (loss) income from continuing operations	$ 25.7	$ 14.4	$ (138.1)	$ (4.8)
Effective income tax rates	13.20%	49.30%	0.90%	(164.60%)