Balance Sheet and Other Details (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 30, 2012
Accounts receivable reserves and allowances
Total accounts receivable reserves and allowances	$ 3.5	$ 2.2
Activities and balances for allowance for doubtful accounts and allowance for sales returns
Balance at End of Period	3.5	2.2
Inventories, net
Finished goods	78.4	85.7
Work in process	40.1	37.0
Raw materials	34.8	23.1
Inventories, net	153.3	145.8
Allowance for doubtful accounts
Accounts receivable reserves and allowances
Total accounts receivable reserves and allowances	3.0	2.1	2.2
Activities and balances for allowance for doubtful accounts and allowance for sales returns
Balance at Beginning of Period	2.1	2.2	2.3
Charged to Costs and Expenses	1.3	0.3	1.8
Deduction	(0.4)	(0.4)	(1.9)
Balance at End of Period	3.0	2.1	2.2
Allowance for sales returns and other
Accounts receivable reserves and allowances
Total accounts receivable reserves and allowances	0.5	0.1
Activities and balances for allowance for doubtful accounts and allowance for sales returns
Balance at End of Period	$ 0.5	$ 0.1