Balance Sheet and Other Details (Details) - USD ($) $ in Millions	9 Months Ended
	Apr. 02, 2016	Jun. 27, 2015
Activities and balances for allowance for doubtful accounts and allowance for sales returns
Balance at Beginning of Period	$ 3.1
Charged to Costs and Expenses	2.8
Adjustments	(2.1)
Balance at End of Period	3.8
Inventories, net
Finished goods	30.5	$ 31.5
Work in process	6.8	6.8
Raw materials	15.2	15.5
Inventories, net	52.5	$ 53.8
Allowance for doubtful accounts
Activities and balances for allowance for doubtful accounts and allowance for sales returns
Balance at Beginning of Period	2.4
Charged to Costs and Expenses	0.1
Adjustments	(0.4)
Balance at End of Period	2.1
Allowance for sales returns
Activities and balances for allowance for doubtful accounts and allowance for sales returns
Balance at Beginning of Period	0.7
Charged to Costs and Expenses	2.7
Adjustments	(1.7)
Balance at End of Period	$ 1.7