Stockholders' Equity (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended		6 Months Ended	12 Months Ended
	May. 21, 2014	Sep. 27, 2014	Jun. 28, 2014	Sep. 27, 2014	Jun. 27, 2015	Jun. 28, 2014
Stock Repurchase Program
Outstanding common stock repurchased (in shares)		0.4	4.9			7.4
Common stock repurchase price per share (in dollars per share)			$ 13.45			$ 13.45
Purchase price of common stock				$ 60.0	$ 4.8	$ 155.2
Average repurchase price per share (in dollars per share)		$ 11.93	$ 11.37
Maximum
Stock Repurchase Program
Purchase price of common stock	$ 100.0