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Long-Term Debt (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Jun. 30, 2012
Debt Instrument [Line Items]    
Total debt $ 17,200 $ 20,257
Interest rate 2.50% 3.10%
Revolving line of credit [Member]
   
Debt Instrument [Line Items]    
Outstanding 5,500 7,757
Interest rate 2.50% 3.10%
Term loan [Member]
   
Debt Instrument [Line Items]    
Outstanding $ 11,700 $ 12,500
Interest rate 2.50% 3.10%