Long-Term Debt (Detail) (USD $)	Mar. 31, 2014	Jun. 30, 2013
Debt Instrument [Line Items]
Total debt	$ 12,200,000	$ 16,400,000
Interest rate	1.70%	2.50%
Revolving line of credit [Member]
Debt Instrument [Line Items]
Outstanding	2,500,000	5,500,000
Interest rate	1.70%	2.50%
Term loans [Member]
Debt Instrument [Line Items]
Outstanding	$ 9,700,000	$ 10,900,000
Interest rate	1.70%	2.50%