STOCKHOLDERS' EQUITY - Additional Information (Detail) (USD $)	3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Common Class A	Sep. 30, 2013 Common Class A	Dec. 31, 2014 Forecast	Dec. 07, 2012 Share Repurchase Plan - December 2012	Dec. 12, 2013 Share Repurchase Renewal, December 2013
Stockholders Equity [Line Items]
Cash dividend declared monthly (per share)					$ 0.005
Stock repurchase program, authorized amount						$ 2,750,000.00	$ 2,750,000.00
Repurchased shares			16,793	13,219
Payments for repurchase of common stock	59,000	37,000	59,000	37,000
Number of options outstanding	22,000
Number of options exercisable	22,000
Weighted average exercise price, outstanding options (in dollars per share)	$ 18.72
Weighted average exercise price, exercisable options (in dollars per share)	$ 18.72
Number of options, options forfeited	0
Stock-based compensation expense	0	1,000
Unrecognized share-based compensation cost	$ 0	$ 7,000