Balance Sheet Details - Property, Plant and Equipment, Net (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Jun. 30, 2018
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 662.3		$ 636.2
Less: Accumulated depreciation	(343.7)		(329.3)
Property, plant and equipment, net	318.6		306.9
Depreciation expense	19.7	$ 16.7
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	10.6		10.6
Buildings and improvement
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	59.4		55.1
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	476.0		463.6
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	26.5		26.3
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	2.9		2.2
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	27.0		25.8
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	59.9		$ 52.6
Capital lease assets
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	15.6
Less: Accumulated depreciation	$ (6.7)