Commitments and Contingencies (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Apr. 02, 2016	Mar. 28, 2015	Apr. 02, 2016	Mar. 28, 2015	Jun. 27, 2015
Commitments and Contingencies Disclosure [Abstract]
Guarantee liabilities	$ 0.0		$ 0.0		$ 0.0
Product Warranties
Warranty Term for most products			3 years
Changes in warranty reserve
Balance as of beginning of period	4.3	$ 3.5	$ 3.7	$ 3.6
Provision for warranty	0.8	1.0	2.5	2.9
Utilization of reserve	(0.8)	(0.9)	(2.3)	(3.0)
Adjustments related to pre-existing warranties (including changes in estimates)	0.2	0.0	0.6	0.1
Balance as of end of period	$ 4.5	$ 3.6	$ 4.5	$ 3.6