Consolidated Statements of Stockholders' Equity - 9 months ended Sep. 30, 2015 - USD ($) $ in Thousands	Total	Capital Stock, Common	Additional Paid-in Capital	Retained Earnings	Treasury Stock
Balance at Dec. 31, 2014	$ 476,587	$ 907	$ 4,058	$ 509,834	$ (38,212)
Net income	56,041	0	0	56,041	0
Dividends on common stock, $0.06 per share	(5,254)	0	0	(5,254)	0
Repurchases of common stock	(35,769)	0	0	0	(35,769)
Stock-based compensation, net of tax	1,042	0	(116)	0	1,158
Balance at Sep. 30, 2015	$ 492,647	$ 907	$ 3,942	$ 560,621	$ (72,823)