Condensed Consolidated Statements Of Changes In Stockholders' Equity (USD $) In Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	(Accumulated Deficit)/ Retained Earnings [Member]	Accumulated Other Comprehensive Income/(Loss) [Member]	Treasury Stock [Member]	Total
Balances, value at Jun. 30, 2010	$ 233	$ 56,893	$ 2,668	$ (223)	$ (3,956)	$ 55,615
Balances, shares at Jun. 30, 2010	22,787				482
Net income			21,566			21,566
Other comprehensive income/(loss)-(Note 9)				406		406
Issuance and forfeitures of restricted share awards	5	912				917
Issuance and forfeitures of restricted share awards, shares	567
Amortization of share-based compensation		5,391				5,391
Common stock dividends-(Note 10)			(22,193)			(22,193)
Income tax benefit from dividends paid on unvested shares		466				466
Exercises of stock options	1	668				669
Exercises of stock options, shares	108
Net sales/purchases of shares for employee withholding		97				97
Repurchase of common shares					(1,509)	(1,509)
Repurchase of common shares, shares	(98)				98
Excess income tax benefit from share-based compensation		310				310
Balances, value at Jun. 30, 2011	239	64,737	2,041	183	(5,465)	61,735
Balances, shares at Jun. 30, 2011	23,364				580
Net income			16,361			16,361
Other comprehensive income/(loss)-(Note 9)				(104)		(104)
Issuance and forfeitures of restricted share awards	4	1,097				1,101
Issuance and forfeitures of restricted share awards, shares	379
Amortization of share-based compensation		4,296				4,296
Common stock dividends-(Note 10)			(22,618)			(22,618)
Income tax benefit from dividends paid on unvested shares		473				473
Exercises of stock options	1	528				529
Exercises of stock options, shares	86
Net sales/purchases of shares for employee withholding					(4,732)	(4,732)
Net sales/purchases of shares for employee withholding, shares	(206)				206
Repurchase of common shares					(1,000)	(1,000)
Repurchase of common shares, shares	(71)				71
Excess income tax benefit from share-based compensation		1,715				1,715
Balances, value at Mar. 31, 2012	$ 244	$ 72,846	$ (4,216)	$ 79	$ (11,197)	$ 57,756
Balances, shares at Mar. 31, 2012	23,552				857