Significant Accounting Policies-Earnings Per Share (Detail)	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Schedule of Weighted Average Number of Diluted Shares Outstanding [Line Items]
Weighted average shares, basic EPS	19,416,000	19,296,000	19,382,000	19,181,000
Number of dilutive stock options	55,000	123,000	37,000
Weighted average shares, diluted EPS	19,471,000	19,419,000	19,419,000	19,181,000