CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - 3 months ended Sep. 30, 2017 - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (loss)	Treasury Stock	Total
Balance at Jun. 30, 2017	$ 37	$ 292,780	$ 277,774	$ (222)	$ (9,247)	$ 561,122
Balance (in shares) at Jun. 30, 2017	37,528
Increase (Decrease) in Shareholders' Equity
Shares issued in connection with share-based compensation plans	$ 1	313				314
Shares issued in connection with share-based compensation plans (in shares)	144
Share-based compensation		2,189				2,189
Purchase of treasury stock					(612)	(612)
Other comprehensive income, net of tax				1		1
Net income			13,257			13,257
Balance at Sep. 30, 2017	$ 38	$ 295,282	$ 291,031	$ (221)	$ (9,859)	$ 576,271
Balance (in shares) at Sep. 30, 2017	37,672