CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Capital Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings (Accumulated Deficit)	Noncontrolling Interest
Balance at Dec. 31, 2013	$ 242,403	$ 423,856	$ 25,383	$ (6,342)	$ (200,913)	$ 419
Balance (in shares) at Dec. 31, 2013		33,991
Consolidated net income (loss)	(24,242)				(24,252)	10
Common stock issued under stock plans (in shares)		362
Share-based compensation	4,659		4,659
Net settlement of vested stock awards	(1,666)		(1,666)
Net settlement of vested stock awards (in shares)		(134)
Tax benefit (shortfalls) of vested stock awards	214		214
Other comprehensive loss, net of tax	(10,114)			(10,114)
Balance at Dec. 31, 2014	211,254	$ 423,856	28,590	(16,456)	(225,165)	429
Balance (in shares) at Dec. 31, 2014		34,219
Consolidated net income (loss)	35,615				35,615
Common stock issued under stock plans (in shares)		398
Repurchase of common stock	(1,627)		(1,627)
Repurchase of common stock (in shares)		(122)
Share-based compensation	4,065		4,065
Net settlement of vested stock awards	(1,941)		(1,941)
Net settlement of vested stock awards (in shares)		(150)
Tax benefit (shortfalls) of vested stock awards	138		138
Other comprehensive loss, net of tax	(2,374)			(2,374)
Dissolution of minority interest	(429)					$ (429)
Balance at Dec. 31, 2015	244,701	$ 423,856	29,225	(18,830)	(189,550)
Balance (in shares) at Dec. 31, 2015		34,345
Consolidated net income (loss)	22,003				22,003
Common stock issued under stock plans	181		181
Common stock issued under stock plans (in shares)		351
Repurchase of common stock	(1,634)		(1,634)
Repurchase of common stock (in shares)		(109)
Share-based compensation	4,293		4,293
Net settlement of vested stock awards	(1,789)		(1,789)
Net settlement of vested stock awards (in shares)		(129)
Other comprehensive loss, net of tax	(8,885)			(8,885)
Balance at Dec. 31, 2016	$ 258,870	$ 423,856	$ 30,276	$ (27,715)	$ (167,547)
Balance (in shares) at Dec. 31, 2016		34,458