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Shareholders' Equity (Text Block) | 12 Months Ended
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Dec. 31, 2017
Stockholders' Equity Note [Abstract] |
Stockholders' Equity Note Disclosure [Text Block] | Shareholders’ Equity Preferred Stock We have authorized the issuance of 10 million shares of preferred stock with no par value. In the event of a liquidation, dissolution, or winding up of the affairs of the corporation, whether voluntary or involuntary, the holders of any outstanding preferred stock will be entitled to be paid a preferential amount per share to be determined by our Board of Directors prior to any payment to holders of common stock. There was no preferred stock issued or outstanding at December 31, 2017, 2016, and 2015. Stock Repurchase Plan On February 23, 2017, our Board of Directors authorized the Company to repurchase up to $50 million of our common stock over a 12-month period, beginning February 23, 2017. There were no repurchases of common stock made prior to plan termination on February 23, 2018. Other Comprehensive Income (Loss) The changes in the components of AOCI, net of tax, were as follows:
| Foreign Currency Translation Adjustments |  | Net Unrealized Gain (Loss) on Derivative Instruments |  | Net Unrealized Gain (Loss) on Nonderivative Instruments |  | Pension Benefit Obligation Adjustments |  | Accumulated Other Comprehensive Income (Loss)
| (in thousands)
Balances at January 1, 2015 | $ | (85,080 | ) |  | $ | (768 | ) |  | $ | (14,380 | ) |  | $ | (34,832 | ) |  | $ | (135,060 | )
OCI before reclassifications | (73,891 | ) |  | 76 |  |  | — |  |  | 4,570 |  |  | (69,245 | )
Amounts reclassified from AOCI | 962 |  |  | 1,010 |  |  | — |  |  | 1,726 |  |  | 3,698 |
Total other comprehensive income (loss) | (72,929 | ) |  | 1,086 |  |  | — |  |  | 6,296 |  |  | (65,547 | )
Balances at December 31, 2015 | $ | (158,009 | ) |  | $ | 318 |  |  | $ | (14,380 | ) |  | $ | (28,536 | ) |  | $ | (200,607 | )
OCI before reclassifications | (23,570 | ) |  | (1,087 | ) |  | — |  |  | (6,191 | ) |  | (30,848 | )
Amounts reclassified from AOCI | (1,407 | ) |  | 812 |  |  | — |  |  | 2,723 |  |  | 2,128 |
Total other comprehensive income (loss) | (24,977 | ) |  | (275 | ) |  | — |  |  | (3,468 | ) |  | (28,720 | )
Balances at December 31, 2016 | $ | (182,986 | ) |  | $ | 43 |  |  | $ | (14,380 | ) |  | $ | (32,004 | ) |  | $ | (229,327 | )
OCI before reclassifications | 53,854 |  |  | 360 |  |  | — |  |  | 2,354 |  |  | 56,568 |
Amounts reclassified from AOCI | 484 |  |  | 563 |  |  | — |  |  | 1,234 |  |  | 2,281 |
Total other comprehensive income (loss) | 54,338 |  |  | 923 |  |  | — |  |  | 3,588 |  |  | 58,849 |
Balances at December 31, 2017 | $ | (128,648 | ) |  | $ | 966 |  |  | $ | (14,380 | ) |  | $ | (28,416 | ) |  | $ | (170,478 | )
The before-tax, income tax (provision) benefit, and net-of-tax amounts related to each component of OCI during the reporting periods were as follows:
| Year Ended December 31,
| 2017 |  | 2016 |  | 2015
| (in thousands)
Before-tax amount |
Foreign currency translation adjustment | $ | 54,218 |  |  | $ | (23,280 | ) |  | $ | (74,219 | )
Foreign currency translation adjustment reclassified into net income on disposal | 484 |  |  | (1,407 | ) |  | 962 |
Net unrealized gain (loss) on derivative instruments designated as cash flow hedges | 585 |  |  | (1,768 | ) |  | 123 |
Net hedging (gain) loss reclassified to net income | 916 |  |  | 1,322 |  |  | 1,639 |
Net unrealized gain (loss) on defined benefit plans | 3,401 |  |  | (6,256 | ) |  | 6,512 |
Net defined benefit plan loss reclassified to net income | 1,782 |  |  | 2,752 |  |  | 2,459 |
Total other comprehensive income (loss), before tax | 61,386 |  |  | (28,637 | ) |  | (62,524 | )
Tax (provision) benefit |  |  |  |  |
Foreign currency translation adjustment | (364 | ) |  | (290 | ) |  | 328 |
Foreign currency translation adjustment reclassified into net income on disposal | — |  |  | — |  |  | — |
Net unrealized gain (loss) on derivative instruments designated as cash flow hedges | (225 | ) |  | 681 |  |  | (47 | )
Net hedging (gain) loss reclassified into net income | (353 | ) |  | (510 | ) |  | (629 | )
Net unrealized gain (loss) on defined benefit plans | (1,047 | ) |  | 65 |  |  | (1,942 | )
Net defined benefit plan loss reclassified to net income | (548 | ) |  | (29 | ) |  | (733 | )
Total other comprehensive income (loss) tax (provision) benefit | (2,537 | ) |  | (83 | ) |  | (3,023 | )
Net-of-tax amount |  |  |  |  |
Foreign currency translation adjustment | 53,854 |  |  | (23,570 | ) |  | (73,891 | )
Foreign currency translation adjustment reclassified into net income on disposal | 484 |  |  | (1,407 | ) |  | 962 |
Net unrealized gain (loss) on derivative instruments designated as cash flow hedges | 360 |  |  | (1,087 | ) |  | 76 |
Net hedging (gain) loss reclassified into net income | 563 |  |  | 812 |  |  | 1,010 |
Net unrealized gain (loss) on defined benefit plans | 2,354 |  |  | (6,191 | ) |  | 4,570 |
Net defined benefit plan loss reclassified to net income | 1,234 |  |  | 2,723 |  |  | 1,726 |
Total other comprehensive income (loss), net of tax | $ | 58,849 |  |  | $ | (28,720 | ) |  | $ | (65,547 | )

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- References No definition available. + Details
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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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