Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities -Fair value hedges (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 28, 2015	Mar. 29, 2014	Mar. 28, 2015	Mar. 29, 2014
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net			$ (324.5)	$ 0
Fair Value Hedging [Member]
Derivative [Line Items]
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net	0
Fair Value Hedging [Member] | Other Nonoperating Income (Expense) [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	0	0	0	0.9
Fair Value Hedging [Member] | Other Nonoperating Income (Expense) [Member] | Fixed-rate Debt [Member]
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ 0	$ 0	$ 0	$ (4.1)