Goodwill and Other Intangible Assets (Details 3) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 26, 2015	Dec. 27, 2014	Dec. 26, 2015	Dec. 27, 2014
Acquired developed technology, customer relationships and other intangibles
Amortization expense	$ 1.8	$ 2.0	$ 3.6	$ 4.0
Cost of sales
Acquired developed technology, customer relationships and other intangibles
Amortization expense	1.7	1.9	3.4	3.8
Operating expense
Acquired developed technology, customer relationships and other intangibles
Amortization expense	$ 0.1	$ 0.1	$ 0.2	$ 0.2