CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Convertible Preferred Stock	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss, Net of Income Tax	Treasury Stock
Beginning balance at Jun. 30, 2013	$ 268,262	$ 5,063	$ 146	$ 156,297	$ 127,813	$ (10,800)	$ (10,257)
Common stock, outstanding, beginning balance (in shares) at Jun. 30, 2013	13,733,325		13,733,325
Preferred stock, beginning balance (in shares) at Jun. 30, 2013		515
Common stock, shares, issued, beginning balance (in shares) at Jun. 30, 2013	14,638,229		14,638,229
Treasury stock, beginning balance (in shares) at Jun. 30, 2013	(904,904)		(904,904)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	39,946				39,946
Other comprehensive income	(569)					(569)
Cash dividends on preferred stock	(232)				(232)
Stock issued (in shares)			375,607
Issuance of common stock, shares outstanding (in shares)			375,607
Issuance of common stock, amount	27,556		3	27,553
Stock-based compensation expense	3,146			3,146
Restricted stock grants and tax benefits, shares issued (in shares)			89,561
Restricted stock grants and tax benefits, treasury shares			(30,156)
Restricted stock grants, shares outstanding (in shares)			59,405
Restricted stock grants and tax benefits	(101)		1	2,019			(2,121)
Stock option exercises and tax benefits, shares issued (in shares)	26,970		26,970
Stock option exercises and tax benefits, shares outstanding (in shares)			26,970
Stock option exercises and tax benefits	837		1	836			0
Ending balance at Mar. 31, 2014	$ 338,845	$ 5,063	$ 151	$ 189,851	$ 167,527	$ (11,369)	$ (12,378)
Common stock, outstanding, ending balance (in shares) at Mar. 31, 2014	14,195,307		14,195,307
Preferred stock, ending balance (in shares) at Mar. 31, 2014		515
Common stock, shares, issued, ending balance (in shares) at Mar. 31, 2014	15,130,367		15,130,367
Treasury stock, ending balance (in shares) at Mar. 31, 2014	(935,060)		(935,060)