Consolidated Statement of Equity Statement - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]
Common Stock, Shares, Issued	48,645
Common Stock, Value, Issued	$ 486
Additional Paid in Capital	699,513
Retained Earnings	$ 27,002
Treasury Stock, Shares	1,890
Treasury Stock, Value	$ (18,615)
Total Equity	708,386
Net Income (Loss) Attributable to Parent	1,373
Stock-based compensation expense	4,457			$ 4,457
Vested equity awards, shares		327
Vested equity awards, value	0	$ 4		(4)
Common stock repurchased, shares			689
Common stock repurchased, value	(6,718)		$ 6,718
Shares repurchased for tax withholdings for vested stock awards			117
Shares repurchased for tax withholdings for vested stock awards, value	$ (1,138)		$ 1,138
Common Stock, Shares, Issued	48,972
Common Stock, Value, Issued	$ 490
Additional Paid in Capital	703,966
Retained Earnings	$ 28,375
Treasury Stock, Shares	2,696
Treasury Stock, Value	$ (26,471)
Total Equity	$ 706,360
Common Stock, Shares, Issued	49,372
Common Stock, Value, Issued	$ 494
Additional Paid in Capital	708,871
Retained Earnings	$ 32,363
Treasury Stock, Shares	2,855
Treasury Stock, Value	$ (28,020)
Total Equity	713,708
Net Income (Loss) Attributable to Parent	13,612
Stock-based compensation expense	4,153			4,153
Vested equity awards, shares		656
Vested equity awards, value		$ 6		$ (6)
Shares repurchased for tax withholdings for vested stock awards			259
Shares repurchased for tax withholdings for vested stock awards, value	$ (1,629)		$ 1,629
Common Stock, Shares, Issued	50,028
Common Stock, Value, Issued	$ 500
Additional Paid in Capital	713,018
Retained Earnings	$ 45,975
Treasury Stock, Shares	3,114
Treasury Stock, Value	$ (29,649)
Total Equity	$ 729,844