Segment Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Apr. 01, 2017	Dec. 31, 2017
Segment Reporting Information [Line Items]
Total Assets	$ 11,639.6		$ 11,628.8
Net sales	1,217.0	$ 1,194.0
Operating Income (Loss)	156.3	128.5
Intangible Asset Amortization	87.2	85.5
CHCA
Segment Reporting Information [Line Items]
Total Assets	3,699.0		3,786.8
Net sales	601.6	582.8
Operating Income (Loss)	113.1	75.0
Intangible Asset Amortization	15.2	17.1
CHCI
Segment Reporting Information [Line Items]
Total Assets	5,174.2		5,029.0
Net sales	401.4	374.9
Operating Income (Loss)	14.9	0.2
Intangible Asset Amortization	51.4	45.7
RX
Segment Reporting Information [Line Items]
Total Assets	2,766.4		$ 2,813.0
Net sales	214.0	217.4
Operating Income (Loss)	61.9	88.2
Intangible Asset Amortization	20.6	22.3
Other
Segment Reporting Information [Line Items]
Net sales	0.0	18.9
Operating Income (Loss)	0.0	5.7
Intangible Asset Amortization	0.0	0.4
Unallocated
Segment Reporting Information [Line Items]
Net sales	0.0	0.0
Operating Income (Loss)	(33.6)	(40.6)
Intangible Asset Amortization	$ 0.0	$ 0.0