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Condensed Consolidated Statements of Shareholders' Equity Statement - USD ($) | Total | Additional Paid-in Capital [Member] | Common Stock [Member]
--- | --- | --- | ---
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Common Stock, Value, Issued | $ 230,000 |  |
Additional Paid in Capital, Common Stock | 269,360,000 |  |
Retained Earnings (Accumulated Deficit) | 197,897,000 |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax | (59,258,000) |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | 408,229,000 |  |
Other Comprehensive Income (Loss), Defined Benefit Plan, Transition Asset (Obligation), Reclassification Adjustment from AOCI, before Tax | (211,000) |  |
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax | $ 55,000 |  |
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures | 14,410 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period | 161,912 |  |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest | $ 7,706,000 |  |
Dividends | 0 |  |
Stock Issued During Period, Value, Stock Dividend | 0 |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax | (11,246,000) |  |
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax | (165,000) |  |
Defined Benefit Plan, Amount Recognized in Net Periodic Benefit Cost (Credit) and Other Comprehensive (Income) Loss, before Tax | (608,000) |  |
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Tax, after Reclassification Adjustment, Attributable to Parent | 613,000 |  |
Stock Issued During Period, Value, Stock Options Exercised | 3,641,000 | $ 3,639,000 | $ 2,000
Stock based compensation | 1,334,000 |  |
Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition | 1,334,000 |  |
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures | $ (544,000) | (544,000) | 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period | 212,000 |  |
Common Stock, Par or Stated Value Per Share | $ 0.01 |  |
Common Stock, Value, Issued | $ 232,000 |  |
Additional Paid in Capital, Common Stock | 273,789,000 |  |
Retained Earnings (Accumulated Deficit) | 206,491,000 |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax | (70,944,000) |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | 409,568,000 |  |
Cumulative Effect of New Accounting Principle in Period of Adoption | Accounting Standards Update 2016-01 [Member] | (888,000) |  |
Common Stock, Value, Issued | 234,000 |  |
Additional Paid in Capital, Common Stock | 277,518,000 |  |
Retained Earnings (Accumulated Deficit) | 236,459,000 |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax | (83,052,000) |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | 431,159,000 |  |
Other Comprehensive Income (Loss), Defined Benefit Plan, Transition Asset (Obligation), Reclassification Adjustment from AOCI, before Tax | 33,000 |  |
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax | $ 252,000 |  |
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures | 41,370 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period | 102,344 |  |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest | $ 18,579,000 |  |
Dividends | 0 |  |
Stock Issued During Period, Value, Stock Dividend | 0 |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax | 1,395,000 |  |
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax | (758,000) |  |
Defined Benefit Plan, Amount Recognized in Net Periodic Benefit Cost (Credit) and Other Comprehensive (Income) Loss, before Tax | (99,000) |  |
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Tax, after Reclassification Adjustment, Attributable to Parent | (99,000) |  |
Stock Issued During Period, Value, Stock Options Exercised | 980,000 | 979,000 | 1,000
Stock based compensation | 1,556,000 |  |
Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition | 1,556,000 |  |
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures | $ (519,000) | $ (519,000) | $ 0
Common Stock, Par or Stated Value Per Share | $ 0.01 |  |
Common Stock, Value, Issued | $ 235,000 |  |
Additional Paid in Capital, Common Stock | 279,534,000 |  |
Retained Earnings (Accumulated Deficit) | 255,038,000 |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax | (82,514,000) |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | $ 452,293,000 |  |

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