CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	(Accumulated Deficit)/Retained Earnings [Member]	Accumulated Other Comprehensive (Loss)/ income [Member]	Treasury Stock [Member]
Balances, value at Jun. 30, 2011	$ 61,735	$ 239	$ 64,737	$ 2,041	$ 183	$ (5,465)
Balances, Shares at Jun. 30, 2011		23,364				580
Net income	24,767			24,767
Other comprehensive income/(loss) - (Note 9)	(175)				(175)
Dividends	(24,501)			(24,501)
Issuance and forfeitures of restricted share awards	1,091	4	1,087
Issuance and forfeitures of restricted share awards, Shares		379
Amortization of share-based compensation	6,084		6,084
Excess income tax benefit from share-based compensation	1,702		1,702
Income tax benefit from dividends paid on unvested shares	511		511
Purchases of shares for employee withholding	(4,807)					(4,807)
Purchases of shares for employee withholding, Shares		(209)				209
Repurchase of common shares	(1,193)					(1,193)
Repurchase of common shares, Shares		(80)				80
Exercise of stock options	939	2	937
Exercise of stock options, Shares		152
Balances, value at Jun. 30, 2012	66,153	245	75,058	2,307	8	(11,465)
Balances, Shares at Jun. 30, 2012		23,606				869
Net income	13,632			13,632
Other comprehensive income/(loss) - (Note 9)	(35)				(35)
Dividends	(22,051)			(22,051)
Issuance and forfeitures of restricted share awards	(155)	(1)	(154)
Issuance and forfeitures of restricted share awards, Shares		(11)
Amortization of share-based compensation	3,624		3,624
Excess income tax benefit from share-based compensation	5,303		5,303
Income tax benefit from dividends paid on unvested shares	424		424
Purchases of shares for employee withholding	(134)					(134)
Purchases of shares for employee withholding, Shares		(6)				6
Exercise of stock options	1,730	3	1,727
Exercise of stock options, Shares		280
Balances, value at Dec. 31, 2012	$ 68,491	$ 247	$ 85,982	$ (6,112)	$ (27)	$ (11,599)
Balances, Shares at Dec. 31, 2012		23,869				875