CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - 9 months ended Mar. 31, 2018 - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive 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	3,578				3,579
Shares issued in connection with share-based compensation plans (in shares)	648
Share-based compensation		7,018				7,018
Purchase of treasury stock					(4,568)	(4,568)
Other comprehensive loss, net of tax				(228)		(228)
Net income			40,049			40,049
Balance at Mar. 31, 2018	$ 38	$ 303,376	$ 317,823	$ (450)	$ (13,815)	$ 606,972
Balance (in shares) at Mar. 31, 2018	38,176