Consolidated Statements of Changes in Stockholders' Equity - 9 months ended Sep. 30, 2016 - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings	Common Stock Held in Treasury	Accumulated Other Comprehensive Income.	Total
Balance at Dec. 31, 2015	$ 523	$ 239,090	$ 571,626	$ (336,923)	$ (19,495)	$ 454,821
Increase (Decrease) in Stockholders' Equity
Net loss			(31,634)			(31,634)
Other comprehensive loss					(8,530)	(8,530)
Issuance of common stock in connection with director stock option exercises (24,498 net settled shares) and for restricted stock unit awards (1,048,179 shares), including a net excess tax benefit of $0.4 million	1	(15,968)		18,787		2,820
Issuance of common stock for the employee stock purchase plan (50,387 shares)	1	728				729
Shares withheld for net settlements of share-based awards (380,272 shares)				(6,617)		(6,617)
Purchase of common stock for treasury (1,336,132 shares)				(22,112)		(22,112)
Dividend declared on common stock			(7,036)	86		(6,950)
Share-based compensation		18,723				18,723
Balance at Sep. 30, 2016	$ 525	$ 242,573	$ 532,956	$ (346,779)	$ (28,025)	$ 401,250