Investments - Equity Method Investments (Details) - USD ($) $ in Millions	3 Months Ended			12 Months Ended
	Jun. 27, 2015	Dec. 27, 2014	Sep. 27, 2014	Jun. 27, 2015	Jun. 28, 2014
Schedule of Equity Method Investments [Line Items]
Net loss from equity method investment	$ 3.5	$ 3.0	$ 3.1	$ (9.9)	$ (8.7)
Realized loss on sale of equity method investment					(2.8)
Other Noncurrent Assets [Member]
Schedule of Equity Method Investments [Line Items]
Cost Method Investments	6.8			6.8	9.0
Equity method investments	$ 48.9			$ 48.9	$ 57.4