Discontinued Operations - Major Components of Net Income from Discontinued Operations (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net (loss) income from discontinued operations, net of income taxes	$ (4.3)	$ 1.7	$ 26.6	$ 4.7
Revenue, net	456.8	455.6	931.0	883.3
Income tax expense	(1.4)	2.2	(4.7)	0.8
Discontinued Operations, Held-for-sale or Disposed of by Sale | S&D Disposition
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue, net	0.0	150.0	97.1	298.0
Cost of sales	0.0	108.5	71.1	216.7
Operating income (loss) from discontinued operations	0.0	3.1	(0.5)	6.5
(Loss) gain on sale of discontinued operations	(5.6)	0.0	54.9	0.0
Net (loss) income from discontinued operations, before income taxes	(5.5)	3.0	54.3	6.4
Income tax (benefit) expense	(1.2)	1.3	27.7	1.7
Net (loss) income from discontinued operations, net of income taxes	$ (4.3)	1.7	26.6	4.7
Income tax expense			28.0
Discontinued Operations, Held-for-sale or Disposed of by Sale | S&D Disposition | Related Party
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue, net		$ 1.5	$ 1.0	$ 3.1