Segment Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020	Dec. 31, 2020
Segment Reporting Information [Line Items]
Assets	$ 11,230.3		$ 11,230.3		$ 11,488.4
Net sales	981.1	$ 948.8	1,991.1	$ 2,032.0
Operating Income (Loss)	(125.9)	62.7	(74.6)	149.1
Intangible Asset Amortization	53.4	51.6	106.6	104.2
Unallocated
Segment Reporting Information [Line Items]
Net sales	0.0	0.0	0.0	0.0
Operating Income (Loss)	(55.2)	(52.4)	(117.0)	(113.2)
Intangible Asset Amortization	0.0	0.0	0.0	0.0
Held-for-sale
Segment Reporting Information [Line Items]
Assets	2,089.3		2,089.3		2,030.9
CSCA
Segment Reporting Information [Line Items]
Assets	4,417.1		4,417.1		4,585.1
Net sales	622.3	627.7	1,262.8	1,328.2
CSCA | Operating Segments
Segment Reporting Information [Line Items]
Net sales	622.3	627.7	1,262.8	1,328.2
Operating Income (Loss)	(72.0)	104.6	23.6	226.7
Intangible Asset Amortization	12.9	13.2	25.8	27.5
CSCI
Segment Reporting Information [Line Items]
Assets	4,723.9		4,723.9		$ 4,872.4
Net sales	358.8	321.1	728.3	703.8
CSCI | Operating Segments
Segment Reporting Information [Line Items]
Net sales	358.8	321.1	728.3	703.8
Operating Income (Loss)	1.3	10.5	18.8	35.6
Intangible Asset Amortization	$ 40.5	$ 38.4	$ 80.8	$ 76.7