CONSOLIDATED STATEMENTS OF STOCKHOLDERS' (DEFICIT) EQUITY - USD ($) $ in Thousands	Common Stock.	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income	Treasury Stock	Total
Balance at Jun. 30, 2012	$ 9,666	$ 547,546	$ (395,079)	$ 8,095	$ (56,636)	$ 113,592
Balance (in shares) at Jun. 30, 2012	96,663,580				3,197,625
Comprehensive income (loss):
Net income			45,262			45,262
Other comprehensive income (loss)				(832)		(832)
Exercise of stock options	$ 275	20,868				21,143
Exercise of stock options (in shares)	2,743,772
Issuance of restricted stock units	$ 54	(7,759)				(7,705)
Issuance of restricted stock units (in shares)	538,193
Repurchase of common stock					$ (84,677)	(84,677)
Repurchase of common stock (in shares)					3,064,151
Stock-based compensation		14,637				14,637
Excess tax benefits from stock-based compensation		478				478
Balance at Jun. 30, 2013	$ 9,995	575,770	(349,817)	7,263	$ (141,313)	101,898
Balance (in shares) at Jun. 30, 2013	99,945,545				6,261,776
Comprehensive income (loss):
Net income			85,783			85,783
Other comprehensive income (loss)				2,109		2,109
Exercise of stock options	$ 72	8,638				8,710
Exercise of stock options (in shares)	723,330
Issuance of restricted stock units	$ 36	(7,867)				(7,831)
Issuance of restricted stock units (in shares)	364,865
Repurchase of common stock					$ (121,776)	$ (121,776)
Repurchase of common stock (in shares)					3,110,114	3,110,114
Stock-based compensation		14,056				$ 14,056
Excess tax benefits from stock-based compensation		727				727
Balance at Jun. 30, 2014	$ 10,103	591,324	(264,034)	9,372	$ (263,089)	$ 83,676
Balance (in shares) at Jun. 30, 2014	101,033,740				9,371,890	101,033,740
Comprehensive income (loss):
Net income			118,407			$ 118,407
Other comprehensive income (loss)				(2,902)		(2,902)
Exercise of stock options	$ 31	4,635				4,666
Exercise of stock options (in shares)	308,847
Issuance of restricted stock units	$ 27	(5,684)				(5,657)
Issuance of restricted stock units (in shares)	264,933
Repurchase of common stock					$ (298,344)	$ (298,344)
Repurchase of common stock (in shares)					7,731,428	7,731,428
Stock-based compensation		14,584				$ 14,584
Excess tax benefits from stock-based compensation		37,024				37,024
Balance at Jun. 30, 2015	$ 10,161	$ 641,883	$ (145,627)	$ 6,470	$ (561,433)	$ (48,546)
Balance (in shares) at Jun. 30, 2015	101,607,520				17,103,318	101,607,520