Acquisitions Pro forma (Details) - USD ($) $ in Millions		3 Months Ended								12 Months Ended
		Jun. 27, 2015	Mar. 28, 2015	Dec. 27, 2014	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 28, 2013	Sep. 28, 2013	Jun. 27, 2015		Jun. 28, 2014		Jun. 29, 2013
Business Combination, Separately Recognized Transactions [Line Items]
Net sales										$ 4,603.9		$ 4,060.8		$ 3,539.8
Business Acquisition, Pro Forma Net Income (Loss)										122.5		212.8
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles										(13.0)
Net sales		$ 1,531.6	$ 1,049.1	$ 1,071.7	$ 951.5	$ 1,144.2	$ 1,004.2	$ 979.0	$ 933.4	4,603.9	[1]	4,060.8	[1]	3,539.8	[1]
Operating income	[1]									747.7		567.0		679.1
Amortization of Intangible Assets										464.5		281.0		94.0
Restructuring			$ 1.1	$ 2.4	$ 1.7	$ 10.5	$ 19.5	$ 14.9		5.1		47.0		$ 2.9
Fiscal 2015 acquisitions [Member]
Business Combination, Separately Recognized Transactions [Line Items]
Net sales										418.2
Operating income										$ 18.9
Fiscal 2014 acquisitions [Member]
Business Combination, Separately Recognized Transactions [Line Items]
Net sales												168.5
Operating income												$ (53.9)

[1] Amounts may not cross-foot due to rounding.