Segment Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 02, 2021	Sep. 26, 2020	Oct. 02, 2021	Sep. 26, 2020	Dec. 31, 2020
Segment Reporting Information [Line Items]
Assets	$ 10,915.9		$ 10,915.9		$ 11,488.4
Net sales	1,042.7	$ 1,003.0	3,033.8	$ 3,035.0
Operating Income (Loss)	438.3	78.5	363.7	227.6
Intangible Asset Amortization	52.2	53.3	159.0	157.5
Unallocated
Segment Reporting Information [Line Items]
Net sales	0.0	0.0	0.0	0.0
Operating Income (Loss)	343.6	(53.3)	226.7	(166.5)
Intangible Asset Amortization	0.0	0.0	0.0	0.0
Held-for-sale
Segment Reporting Information [Line Items]
Assets	13.4		13.4		2,030.9
CSCA
Segment Reporting Information [Line Items]
Assets	6,290.6		6,290.6		4,585.1
Net sales	694.2	664.0	1,957.0	1,992.2
CSCA | Operating Segments
Segment Reporting Information [Line Items]
Net sales	694.2	664.0	1,957.0	1,992.2
Operating Income (Loss)	90.4	121.7	113.9	348.4
Intangible Asset Amortization	12.7	13.0	38.7	40.6
CSCI
Segment Reporting Information [Line Items]
Assets	4,611.9		4,611.9		$ 4,872.4
Net sales	348.5	339.0	1,076.8	1,042.8
CSCI | Operating Segments
Segment Reporting Information [Line Items]
Net sales	348.5	339.0	1,076.8	1,042.8
Operating Income (Loss)	4.3	10.1	23.1	45.7
Intangible Asset Amortization	$ 39.5	$ 40.3	$ 120.3	$ 116.9