Balance Sheet and Other Details (Details) - USD ($) $ in Millions	6 Months Ended
	Jan. 02, 2016	Jan. 02, 2016	Jun. 27, 2015
Accounts receivable reserves and allowances
Total accounts receivable reserves and allowances	$ 3.1	$ 3.7	$ 3.1
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	1.9
Adjustments	(1.3)
Balance at End of Period	3.7
Inventories, net
Finished goods		33.0	31.5
Work in process		5.6	6.8
Raw materials		19.0	15.5
Inventories, net		57.6	53.8
Allowance for doubtful accounts
Accounts receivable reserves and allowances
Total accounts receivable reserves and allowances	2.4	2.6	2.4
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	0.3
Adjustments	(0.1)
Balance at End of Period	2.6
Allowance for sales returns
Accounts receivable reserves and allowances
Total accounts receivable reserves and allowances	0.7	$ 1.1	$ 0.7
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	1.6
Adjustments	(1.2)
Balance at End of Period	$ 1.1