Balance Sheet and Other Details - Schedule of Components of Property, Plant and Equipment (Details) - USD ($) $ in Millions	Sep. 26, 2015	Jun. 27, 2015
Property Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 443.6	$ 416.2
Less: Accumulated depreciation	(302.1)	(273.0)
Property, plant and equipment, net	141.5	143.2
Land
Property Plant and Equipment [Line Items]
Property, plant and equipment, gross	5.9	5.9
Buildings and Improvements
Property Plant and Equipment [Line Items]
Property, plant and equipment, gross	28.7	28.6
Machinery and Equipment
Property Plant and Equipment [Line Items]
Property, plant and equipment, gross	332.3	326.4
Furniture and Fixtures and Software
Property Plant and Equipment [Line Items]
Property, plant and equipment, gross	30.9	8.0
Leasehold Improvements
Property Plant and Equipment [Line Items]
Property, plant and equipment, gross	29.2	20.5
Construction in Progress
Property Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 16.6	$ 26.8