Goodwill and Other Intangible Assets Intangible Assets (Details) - USD ($)		3 Months Ended				6 Months Ended		12 Months Ended			15 Months Ended	18 Months Ended
	Mar. 30, 2015	Dec. 31, 2016	Oct. 01, 2016	Apr. 02, 2016	Dec. 31, 2015	Oct. 03, 2016	Dec. 31, 2015	Dec. 31, 2016	Jun. 27, 2015	Jun. 28, 2014	Oct. 01, 2016	Dec. 31, 2016
Finite And Indefinite Lived Assets By Major Class [Line Items]
Goodwill impairment charge		$ 224,100,000	$ 737,900,000	$ 130,500,000			$ 0	$ 1,092,500,000		$ 0
Goodwill, acquired during period							97,100,000	1,700,000	$ 1,274,400,000
Impairment of Intangible Assets, Finite-lived						$ 849,100,000		849,500,000
Finite-Lived Intangible Assets, Gross		4,417,200,000			$ 3,705,300,000		3,705,300,000	4,417,200,000	3,354,000,000			$ 4,417,200,000
Intangible assets subject to amortization, Accumulated Amortization		1,020,400,000			732,200,000		732,200,000	1,020,400,000	611,200,000			1,020,400,000
Indefinite-Lived Intangible Assets (Excluding Goodwill)		114,500,000			1,916,300,000		1,916,300,000	114,500,000	2,263,100,000			114,500,000
Total other intangible assets		4,531,700,000			5,621,600,000		5,621,600,000	4,531,700,000	5,617,100,000			4,531,700,000
Write-off of in-process research and development							0	0	0
Amortization of Intangible Assets							128,600,000	356,800,000	174,500,000	128,200,000
Impairment of Intangible Assets, Finite-lived							185,100,000	665,600,000	0	$ 0
Trademarks [Member]
Finite And Indefinite Lived Assets By Major Class [Line Items]
Indefinite-Lived Intangible Assets (Excluding Goodwill)		50,500,000			1,868,100,000		1,868,100,000	50,500,000	2,257,300,000			50,500,000
In Process Research and Development [Member]
Finite And Indefinite Lived Assets By Major Class [Line Items]
Indefinite-Lived Intangible Assets (Excluding Goodwill)		64,000,000			48,200,000		48,200,000	64,000,000	5,800,000			64,000,000
Distribution and license agreements, supply agreements
Finite And Indefinite Lived Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross		305,600,000			242,400,000		242,400,000	305,600,000	218,900,000			305,600,000
Intangible assets subject to amortization, Accumulated Amortization		120,400,000			77,700,000		77,700,000	$ 120,400,000	58,400,000			120,400,000
Remaining Weighted-Average Useful Life (Years)								7 years
Developed product technology, formulations, and product rights
Finite And Indefinite Lived Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross		1,418,100,000			1,387,600,000		1,387,600,000	$ 1,418,100,000	1,029,600,000			1,418,100,000
Intangible assets subject to amortization, Accumulated Amortization		526,000,000			426,000,000		426,000,000	$ 526,000,000	383,100,000			526,000,000
Remaining Weighted-Average Useful Life (Years)								12 years
Customer relationships and distribution networks
Finite And Indefinite Lived Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross		1,489,900,000			1,520,700,000		1,520,700,000	$ 1,489,900,000	1,750,000,000			1,489,900,000
Intangible assets subject to amortization, Accumulated Amortization		307,500,000			193,000,000		193,000,000	$ 307,500,000	146,300,000			307,500,000
Remaining Weighted-Average Useful Life (Years)								18 years
Trademarks [Member]
Finite And Indefinite Lived Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross		1,189,300,000			539,400,000		539,400,000	$ 1,189,300,000	340,800,000			1,189,300,000
Intangible assets subject to amortization, Accumulated Amortization		55,300,000			22,800,000		22,800,000	$ 55,300,000	11,500,000			55,300,000
Remaining Weighted-Average Useful Life (Years)								20 years
Non-compete agreements
Finite And Indefinite Lived Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross		14,300,000			15,200,000		15,200,000	$ 14,300,000	14,700,000			14,300,000
Intangible assets subject to amortization, Accumulated Amortization		11,200,000			12,700,000		12,700,000	$ 11,200,000	11,900,000			11,200,000
Remaining Weighted-Average Useful Life (Years)								3 years
Omega
Finite And Indefinite Lived Assets By Major Class [Line Items]
Remaining Weighted-Average Useful Life (Years)	20 years 7 months 6 days
Omega | Brands
Finite And Indefinite Lived Assets By Major Class [Line Items]
Impairment of Intangible Assets, Finite-lived			$ 575,700,000	$ 273,400,000	$ 185,100,000			$ 400,000
Impairment of Intangible Assets, Finite-lived							185,100,000	1,500,000,000			$ 290,900,000
Omega | Non-compete agreements
Finite And Indefinite Lived Assets By Major Class [Line Items]
Remaining Weighted-Average Useful Life (Years)	3 years
CHCA
Finite And Indefinite Lived Assets By Major Class [Line Items]
Goodwill impairment charge								24,500,000	6,800,000			(1,100,000,000)
Goodwill, acquired during period							9,700,000	0	4,800,000
CHCI
Finite And Indefinite Lived Assets By Major Class [Line Items]
Goodwill impairment charge								868,400,000	0
Goodwill, acquired during period							$ 87,400,000	0	$ 1,269,600,000
Finite-Lived Intangible Assets, Gross		$ 2,300,000,000						$ 2,300,000,000				$ 2,300,000,000