Valuation and Qualifying Accounts (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2012
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at end of year	$ 24,884		$ 10,139
Allowance for Doubtful Accounts
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	1,294		887		682
Charged to costs and expenses	8		409		211
Charged to other accounts
Deductions	785	[1]	2	[1]	6	[1]
Balance at end of year	$ 517		$ 1,294		$ 887

[1] Specific accounts written off as uncollectible.