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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Thousands | Common Stock [Member] | Treasury Stock [Member] | Additional Paid-In Capital [Member] USD ($) | Common Shares Held In Treasury [Member] USD ($) | Retained Earnings [Member] USD ($) | Accumulated Other Comprehensive Income (Loss) [Member] USD ($) | Noncontrolling Interest [Member] USD ($) | Total USD ($)
--- | --- | --- | --- | --- | --- | --- | --- | ---
BALANCE at Dec. 31, 2009 |  |  | $ 158,748 | $ (292) | $ (89,150) | $ 2,669 | $ 4,492 | $ 76,467
BALANCE (in shares) at Dec. 31, 2009 | 25,000 | 301 |  |  |  |  |  |
Net income (loss) |  |  | 0 | 0 | 11,530 | 0 | (184) | 11,346
Pension liability adjustments |  |  | 0 | 0 | 0 | 5,089 | 0 | 5,089
Unrealized gain on marketable securities |  |  | 0 | 0 | 0 | 8 | 0 | 8
Unrealized gain (loss) on derivatives |  |  | 0 | 0 | 0 | (1,710) | 0 | (1,710)
Currency translation adjustments |  |  | 0 | 0 | 0 | (1,994) | 0 | (1,994)
Exercise of share options |  |  | 266 | 0 | 0 | 0 | 0 | 266
Exercise of share options (in shares) | 26 | 0 |  |  |  |  |  |
Issuance of restricted Common Shares ( in shares) | 667 | 0 |  |  |  |  |  |
Forfeited restricted Common Shares ( in shares) | (243) | 243 |  |  |  |  |  |
Repurchased Common Shares for treasury |  |  | 0 | (826) | 0 | 0 | 0 | (826)
Repurchased Common Shares for treasury ( in shares) | (57) | 57 |  |  |  |  |  |
Share-based compensation matters |  |  | 2,573 | 0 | 0 | 0 | 0 | 2,573
BALANCE at Dec. 31, 2010 |  |  | 161,587 | (1,118) | (77,620) | 4,062 | 4,308 | 91,219
BALANCE (in shares) at Dec. 31, 2010 | 25,393 | 601 |  |  |  |  |  |
Net income (loss) |  |  | 0 | 0 | 49,357 | 0 | (3,820) | 45,537
Unrealized gain on marketable securities |  |  | 0 | 0 | 0 | 16 | 0 | 16
Unrealized gain (loss) on derivatives |  |  | 0 | 0 | 0 | (7,722) | 0 | (7,722)
Currency translation adjustments |  |  | 0 | 0 | 0 | (5,971) | 0 | (5,971)
Business acquisition |  |  | 5,113 | 0 | 0 | 0 | 48,727 | 53,840
Business acquisition ( in shares) | 647 | 0 |  |  |  |  |  |
Capital contribution from noncontrolling interest |  |  | 0 | 0 | 0 | 0 | 397 | 397
Exercise of share options |  |  | 194 | 0 | 0 | 0 | 0 | 194
Exercise of share options (in shares) | 19 | 0 |  |  |  |  |  |
Issuance of restricted Common Shares ( in shares) | 437 | 0 |  |  |  |  |  |
Forfeited restricted Common Shares ( in shares) | (223) | 223 |  |  |  |  |  |
Repurchased Common Shares for treasury |  |  | 0 | (752) | 0 | 0 | 0 | (752)
Repurchased Common Shares for treasury ( in shares) | (51) | 51 |  |  |  |  |  |
Share-based compensation matters |  |  | 3,881 | 0 | 0 | 0 | 0 | 3,881
BALANCE at Dec. 31, 2011 |  |  | 170,775 | (1,870) | (28,263) | (9,615) | 49,612 | 180,639
BALANCE (in shares) at Dec. 31, 2011 | 26,222 | 875 |  |  |  |  |  |
Net income (loss) |  |  | 0 | 0 | 5,361 | 0 | (1,613) | 3,748
Pension liability adjustments |  |  | 0 | 0 | 0 | (27) | 0 | (27)
Unrealized gain on marketable securities |  |  | 0 | 0 | 0 | 0 | 0 | 0
Unrealized gain (loss) on derivatives |  |  | 0 | 0 | 0 | 9,862 | 0 | 9,862
Currency translation adjustments |  |  | 0 | 0 | 0 | (10,502) | (3,918) | (10,502)
Business acquisition |  |  | 10,197 | 0 | 0 | 0 | 0 | 10,197
Business acquisition ( in shares) | 1,294 | 0 |  |  |  |  |  |
Exercise of share options (in shares) |  |  |  |  |  |  |  | 0
Issuance of restricted Common Shares ( in shares) | 653 | (611) |  |  |  |  |  |
Forfeited restricted Common Shares ( in shares) | (142) | 142 |  |  |  |  |  |
Repurchased Common Shares for treasury |  |  | 0 | (15) | 0 | 0 | 0 | (15)
Repurchased Common Shares for treasury ( in shares) | (114) | 114 |  |  |  |  |  |
Share-based compensation matters |  |  | 3,850 | 0 | 0 | 0 | 0 | 3,850
BALANCE at Dec. 31, 2012 |  |  | $ 184,822 | $ (1,885) | $ (22,902) | $ (10,282) | $ 44,081 | $ 193,834
BALANCE (in shares) at Dec. 31, 2012 | 27,913 | 520 |  |  |  |  |  |

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