Condensed Consolidated Statements of Shareholders' Equity Statement - USD ($) $ in Thousands	Total	Additional Paid-in Capital [Member]	Common Stock [Member]	Retained Earnings	AOCI Attributable to Parent
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common Stock, Value, Issued	$ 240
Additional Paid in Capital, Common Stock	296,093
Retained Earnings (Accumulated Deficit)	293,802
Accumulated Other Comprehensive Income (Loss), Net of Tax	(59,986)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	530,149
Payments of Stock Issuance Costs	8,340
Proceeds from Other Equity	198,705	$ 198,662	$ 43	$ 0	$ 0
Other Comprehensive Income (Loss), Defined Benefit Plan, Transition Asset (Obligation), Reclassification Adjustment from AOCI, before Tax	$ 34
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures	58,081
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	12,682
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ (7,263)	0	0	(7,263)	0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	2,076				2,076
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax		0	0	0
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax	96	0	0	0	96
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Tax, after Reclassification Adjustment, Attributable to Parent	$ (97)	0	0	0	(97)
Stock Issued During Period, Shares, New Issues	4,312,500
Stock Issued During Period, Value, Stock Options Exercised	$ 290	290	0	0	0
Stock-based compensation	2,262	2,262	0	0	0
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	(1,765)	(1,766)	(1)	0	0
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	$ (31)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	138,000
Common Stock, Value, Issued	$ 284
Additional Paid in Capital, Common Stock	495,541
Retained Earnings (Accumulated Deficit)	286,539
Accumulated Other Comprehensive Income (Loss), Net of Tax	(57,911)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	724,453
Common Stock, Value, Issued	285
Additional Paid in Capital, Common Stock	506,074
Retained Earnings (Accumulated Deficit)	316,343
Accumulated Other Comprehensive Income (Loss), Net of Tax	(49,899)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	772,803
Other Comprehensive Income (Loss), Defined Benefit Plan, Transition Asset (Obligation), Reclassification Adjustment from AOCI, before Tax	$ (49)
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures	52,276
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	18,907
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 8,391	0	0	8,391	0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	(8,701)	0	0	0	(8,701)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax	2,689	0	0	0	2,689
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Tax, after Reclassification Adjustment, Attributable to Parent	146	0	0	0	146
Stock Issued During Period, Value, Stock Options Exercised	415	415	0	0	0
Stock-based compensation	751	751	0	0	0
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	(1,313)	(1,314)	$ 1	0	0
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	(812)
Common Stock, Value, Issued	286	286
Additional Paid in Capital, Common Stock	505,926	$ 505,926
Retained Earnings (Accumulated Deficit)	324,734			$ 324,734
Accumulated Other Comprehensive Income (Loss), Net of Tax	(55,765)				$ (55,765)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 775,181