Related Party Transactions - Additional Information (Detail) (Hitachi Ltd, USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 28, 2014 Contract	Jun. 29, 2013
Hitachi Ltd
Related Party Transaction [Line Items]
Percentage of outstanding common stock owned by related party	11.00%
Sales to Hitachi	$ 13.4	$ 9.3
Purchases from Hitachi	13.9	21.0
Accounts receivable due from Hitachi	2.7	3.0
Accounts payable due to Hitachi	$ 4.5	$ 2.2
Number of intellectual property license agreements	2