Balance Sheet and Other Details (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Mar. 28, 2015	Jun. 28, 2014
Activities and balances for allowance for doubtful accounts and allowance for sales returns
Balance at Beginning of Period	$ 3.5
Charged to Costs and Expenses	1.9
Adjustments	(1.7)
Balance at End of Period	3.7
Inventories
Finished goods	87.5	78.4
Work in process	31.5	40.1
Raw materials	36.8	34.8
Inventories, net	155.8	153.3
Allowance for doubtful accounts
Activities and balances for allowance for doubtful accounts and allowance for sales returns
Balance at Beginning of Period	3.0
Charged to Costs and Expenses	0.7
Adjustments	(0.7)
Balance at End of Period	3.0
Allowance for sales returns
Activities and balances for allowance for doubtful accounts and allowance for sales returns
Balance at Beginning of Period	0.5
Charged to Costs and Expenses	1.2
Adjustments	(1.0)
Balance at End of Period	$ 0.7