Segment Information (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016	Dec. 31, 2016
Segment Reporting Information [Line Items]
Total Assets	$ 13,979.4		$ 13,870.1
Net sales	1,194.0	$ 1,347.3
Operating Income (Loss)	128.5	(231.6)
Intangible Asset Amortization	85.5	85.3
CHCA
Segment Reporting Information [Line Items]
Total Assets	6,295.7		3,351.3
Net sales	582.8	639.1
Operating Income (Loss)	75.0	100.6
Intangible Asset Amortization	17.1	18.1
CHCI
Segment Reporting Information [Line Items]
Total Assets	4,796.9		4,795.2
Net sales	374.9	439.4
Operating Income (Loss)	0.2	(396.4)
Intangible Asset Amortization	45.7	41.2
RX
Segment Reporting Information [Line Items]
Total Assets	2,685.4		2,646.4
Net sales	217.4	248.2
Operating Income (Loss)	88.2	91.4
Intangible Asset Amortization	22.3	25.5
Specialty Sciences
Segment Reporting Information [Line Items]
Total Assets	0.0		2,775.8
Net sales	0.0	0.0
Operating Income (Loss)	0.0	(1.4)
Intangible Asset Amortization	0.0	0.0
Other
Segment Reporting Information [Line Items]
Total Assets	201.4		$ 301.4
Net sales	18.9	20.6
Operating Income (Loss)	5.7	5.5
Intangible Asset Amortization	0.4	0.5
Unallocated
Segment Reporting Information [Line Items]
Net sales	0.0	0.0
Operating Income (Loss)	(40.6)	(31.3)
Intangible Asset Amortization	$ 0.0	$ 0.0