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Schedule of Valuation and Qualifying Accounts (Detail) (Allowance for Doubtful Accounts, USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2012
Allowance for Doubtful Accounts
     
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period $ 7,500 $ 4,600 $ 3,700
Addition Changed to Cost and Expenses 39,235 33,294 24,742
Addition due to acquisition of Crescendo 868    
Deductions (38,635) [1] (30,394) [1] (23,842) [1]
Balance at End of Period $ 8,968 $ 7,500 $ 4,600
[1] Represents amounts written off against the allowance.