Goodwill and Other Intangible Assets - Goodwill (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Oct. 01, 2016	Apr. 02, 2016	Oct. 01, 2016	Sep. 26, 2015
Goodwill [Roll Forward]
December 31, 2015			$ 5,152.7	$ 5,152.7
Business acquisitions				1.8
Purchase accounting adjustments				0.7
Impairments				(868.5)
Changes in assets held for sale				16.2
Currency translation adjustment				50.6
October 1, 2016		$ 4,353.5		4,353.5
CHC
Goodwill [Roll Forward]
December 31, 2015			1,890.0	1,890.0
Business acquisitions				0.0
Purchase accounting adjustments				0.0
Impairments				0.0	$ (6.8)
Changes in assets held for sale				4.5
Currency translation adjustment				(6.6)
October 1, 2016		1,887.9		1,887.9
BCH
Goodwill [Roll Forward]
December 31, 2015			1,769.4	1,769.4
Business acquisitions				0.0
Purchase accounting adjustments				0.7
Impairments		(737.9)		(868.5)
Changes in assets held for sale				0.0
Currency translation adjustment				67.9
October 1, 2016		969.5		969.5
Rx
Goodwill [Roll Forward]
December 31, 2015			1,222.2	1,222.2
Business acquisitions				1.8
Purchase accounting adjustments				0.0
Impairments				0.0
Changes in assets held for sale				0.0
Currency translation adjustment				(13.8)
October 1, 2016		1,210.2		1,210.2
Specialty Sciences
Goodwill [Roll Forward]
December 31, 2015			199.6	199.6
Business acquisitions				0.0
Purchase accounting adjustments				0.0
Impairments				0.0
Changes in assets held for sale				0.0
Currency translation adjustment				0.0
October 1, 2016		199.6		199.6
Other
Goodwill [Roll Forward]
December 31, 2015			71.5	71.5
Business acquisitions				0.0
Purchase accounting adjustments				0.0
Impairments				0.0
Changes in assets held for sale				11.7
Currency translation adjustment				3.1
October 1, 2016		86.3		86.3
Branded CHC Rest of World | BCH
Goodwill [Roll Forward]
Impairments		(675.6)	$ (130.5)
Goodwill, Fair Value Disclosure		897.6		897.6
Branded CHC Belgium | BCH
Goodwill [Roll Forward]
Impairments		(62.3)
Goodwill, Fair Value Disclosure	[1]	$ 71.9		$ 71.9

[1] (1)Goodwill with a carrying amount of $1.7 billion was written down to its implied fair value of $1.0 billion, resulting in an impairment charge of $737.9 million for the three months ended October 1, 2016; impairment charges totaled $868.5 million for the nine months ended October 1, 2016 and are included in Impairment charges on the Condensed Consolidated Statements of Operations.