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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (USD $) In Thousands, except Share data | Total USD ($) | Common Stock [Member] | Additional paid-in capital [Member] USD ($) | Retained earnings [Member] USD ($) | Treasury stock [Member] USD ($) | Treasury stock reserved for deferred compensation [Member] USD ($) | Accumulated other comprehensive income (loss) [Member] USD ($) | Parent [Member] USD ($) | Noncontrolling interest [Member] USD ($)
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance, Beginning at Dec. 31, 2013 | $ 798,036 |  | $ 558,637 | $ 207,541 | $ (15,586) | $ (1,075) | $ (61,794) | $ 687,723 | $ 110,313
Balance, Beginning (in shares) at Dec. 31, 2013 |  | 53,560,872 |  |  |  |  |  |  |
Net loss | (47,036) |  |  | (27,415) |  |  |  | (27,415) | (19,621)
Currency translation adjustment | (31,960) |  |  |  |  |  | (21,334) | (21,334) | (10,626)
Pension liability adjustments, net of tax | 787 |  |  |  |  |  | 787 | 787 |
Dividends on common stock | (804) |  |  | (804) |  |  |  | (804) |
Exercise of stock options | 141 |  | 60 |  | 81 |  |  | 141 |
Exercise of stock options (in shares) |  | 8,971 |  |  |  |  |  |  |
Acquisition of additional interest | (13,395) |  | (49) |  |  |  | (1,153) | (1,202) | (12,193)
Stock-based compensation | 3,165 |  | 3,165 |  |  |  |  | 3,165 |
Tax benefit related to stock-based compensation | (51) |  | (51) |  |  |  |  | (51) |
Issuance of treasury stock under 401(k) plan | 504 |  | 252 |  | 252 |  |  | 504 |
Issuance of treasury stock under 401(k) plan (in shares) |  | 28,152 |  |  |  |  |  |  |
Balance, Ending at Sep. 30, 2014 | $ 709,387 |  | $ 562,014 | $ 179,322 | $ (15,253) | $ (1,075) | $ (83,494) | $ 641,514 | $ 67,873
Balance, Ending (in shares) at Sep. 30, 2014 |  | 53,597,995 |  |  |  |  |  |  |

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