Goodwill and Other Intangible Assets Intangible Assets (Details) - USD ($)		3 Months Ended	6 Months Ended	12 Months Ended
	Mar. 30, 2015	Dec. 31, 2015	Dec. 31, 2015	Jun. 27, 2015	Jun. 28, 2014	Jun. 29, 2013	Dec. 15, 2015	[1]	Sep. 15, 2015	Aug. 28, 2015	[1]
Finite And Indefinite Lived Assets By Major Class [Line Items]
Goodwill, acquired during period			$ 97,100,000	$ 1,517,900,000	$ 2,350,000,000
Finite-Lived Intangible Assets, Gross		$ 9,512,200,000	9,512,200,000	9,160,600,000	7,394,100,000
Intangible assets subject to amortization, Accumulated Amortization		1,321,700,000	1,321,700,000	1,055,000,000	607,100,000
Indefinite-Lived Intangible Assets (Excluding Goodwill)		1,916,300,000	1,916,300,000	2,263,100,000	69,700,000
Total other intangible assets		11,428,500,000	11,428,500,000	11,423,700,000	7,463,800,000
Write-off of in-process research and development			0	0	6,000,000	$ 9,000,000
Amortization of Intangible Assets			274,100,000	464,500,000	281,000,000	94,000,000
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2016		603,100,000	603,100,000
2017		595,600,000	595,600,000
2018		582,600,000	582,600,000
2019		558,300,000	558,300,000
2020		522,500,000	522,500,000
Finite-Lived Intangible Assets, Amortization Expense, after Year Five		5,328,400,000	5,328,400,000
Impairment of Intangible Assets, Finite-lived				0	0	$ 0
In Process Research and Development [Member]
Finite And Indefinite Lived Assets By Major Class [Line Items]
Indefinite-Lived Intangible Assets (Excluding Goodwill)		48,200,000	48,200,000	5,800,000	10,200,000		$ 0		$ 0	$ 0
Distribution And License Agreements [Member]
Finite And Indefinite Lived Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross		6,053,400,000	6,053,400,000	6,029,900,000	6,027,300,000
Intangible assets subject to amortization, Accumulated Amortization		667,200,000	$ 667,200,000	502,300,000	192,100,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			19 years
Developed Technology Rights [Member]
Finite And Indefinite Lived Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross		1,383,500,000	$ 1,383,500,000	1,025,300,000	931,700,000				$ 0
Intangible assets subject to amortization, Accumulated Amortization		426,000,000	$ 426,000,000	383,100,000	302,500,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			10 years
Customer Relationships [Member]
Finite And Indefinite Lived Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross		1,520,700,000	$ 1,520,700,000	1,749,900,000	372,000,000
Intangible assets subject to amortization, Accumulated Amortization		193,000,000	$ 193,000,000	146,200,000	97,500,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			17 years
Trade names and trademarks [Member]
Finite And Indefinite Lived Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross		539,400,000	$ 539,400,000	340,800,000	47,800,000
Intangible assets subject to amortization, Accumulated Amortization		22,800,000	$ 22,800,000	11,500,000	5,600,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			21 years
Noncompete Agreements [Member]
Finite And Indefinite Lived Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross		15,200,000	$ 15,200,000	14,700,000	15,300,000
Intangible assets subject to amortization, Accumulated Amortization		12,700,000	$ 12,700,000	11,900,000	9,400,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			2 years
Omega [Member]
Finite And Indefinite Lived Assets By Major Class [Line Items]
Total other intangible assets		3,374,800,000	$ 3,374,800,000
Omega [Member] | Brands [Member]
Finite And Indefinite Lived Assets By Major Class [Line Items]
Impairment of Intangible Assets, Finite-lived		$ 185,100,000	185,100,000
Omega [Member] | Trademarks and Trade Names [Member]
Finite And Indefinite Lived Assets By Major Class [Line Items]
Finite-Lived Intangible Asset, Useful Life	8 years
Omega [Member] | Customer Relationships [Member]
Finite And Indefinite Lived Assets By Major Class [Line Items]
Finite-Lived Intangible Asset, Useful Life	21 years
Omega [Member] | Noncompete Agreements [Member]
Finite And Indefinite Lived Assets By Major Class [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	3 years
Paddock Laboratories Inc [Member]
Finite And Indefinite Lived Assets By Major Class [Line Items]
Reclass of IPR&D to Developed Product Technology					$ 13,000,000
Paddock Laboratories Inc [Member] | Developed Technology Rights [Member]
Finite And Indefinite Lived Assets By Major Class [Line Items]
Finite-Lived Intangible Asset, Useful Life					12 years
CHC [Member]
Finite And Indefinite Lived Assets By Major Class [Line Items]
Goodwill, acquired during period			$ 9,700,000	$ 4,800,000	$ 1,297,200,000

[1] Opening balance sheet is preliminary.