Related Party Transactions (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Related Party Transaction [Line Items]
Payments to related parties for inventory purchases and product development costs	$ 3,839	$ 3,082	$ 1,326
Affiliated Entity [Member]
Related Party Transaction [Line Items]
Legal fees incurred		3	195
Corporate Joint Venture [Member]
Related Party Transaction [Line Items]
Inventory purchases	2,635	2,554	2,332
Former Director [Member]
Related Party Transaction [Line Items]
Legal fees incurred			$ 32