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Consolidated Statement of Stockholders' Equity (USD $) | Total | Equity of the Company Preferred Stock [Member] | Equity of the Company Common Stock [Member] | Equity of the Company Treasury Stock [Member] | Equity of the Company Additional Paid-in Capital [Member] | Equity of the Company Accumulated Other Comprehensive Income (Loss) [Member] | Equity of the Company Retained Earnings [Member] | Noncontrolling Interest [Member]
--- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance,value at Dec. 31, 2008 | $ 360,894 | $ 0 | $ 638 | $ (228,596) | $ 341,887 | $ (33,020) | $ 274,974 | $ 5,011
Preferred stock beginning balance, share at Dec. 31, 2008 |  | 0 |  |  |  |  |  |
Common stock beginning balance, share at Dec. 31, 2008 |  |  | 63,816 |  |  |  |  |
Net income | 75,566 |  |  |  |  |  | 71,754 | 3,812
Dividends distributed to noncontrolling interest | (3,690) |  |  |  |  |  |  | (3,690)
Foreign currency translation adjustments | 18,231 |  |  |  |  | 17,886 |  | 345
Derivatives valuation, net of tax | 25,647 |  |  |  |  | 25,647 |  |
Vesting of restricted stock units issued out of treasury, share |  |  | 307 |  |  |  |  |
Vesting of restricted stock units issued out of treasury, value | (1,919) |  | 3 | 3,855 | (5,777) |  |  |
Exercise of stock options, share |  |  | 621 |  |  |  |  |
Exercise of stock options, value | 6,159 |  | 6 | 7,791 | (1,638) |  |  |
Excess tax benefit from equity-based awards | (1,861) |  |  |  | (1,861) |  |  |
Equity-based compensation expense | 11,640 |  |  |  | 11,640 |  |  |
Purchases of common stock, share |  |  | (2,526) |  |  |  |  |
Purchases of common stock, value | (34,766) |  | (25) | (34,741) |  |  |  |
Ending balance,value at Dec. 31, 2009 | 455,901 | 0 | 622 | (251,691) | 344,251 | 10,513 | 346,728 | 5,478
Preferred stock ending balance, share at Dec. 31, 2009 |  | 0 |  |  |  |  |  |
Common stock ending balance, share at Dec. 31, 2009 |  |  | 62,218 |  |  |  |  |
Net income | 53,538 |  |  |  |  |  | 49,874 | 3,664
Noncontrolling interest (Note 2) | 6,000 |  |  |  |  |  |  | 6,000
Dividends distributed to noncontrolling interest | (4,140) |  |  |  |  |  |  | (4,140)
Foreign currency translation adjustments | 8,080 |  |  |  |  | 7,990 |  | 90
Derivatives valuation, net of tax | 2,623 |  |  |  |  | 2,623 |  |
Vesting of restricted stock units issued out of treasury, share |  |  | 420 |  |  |  |  |
Vesting of restricted stock units issued out of treasury, value | (3,072) |  | 5 | 5,448 | (8,525) |  |  |
Exercise of stock options, share |  |  | 273 |  |  |  |  |
Exercise of stock options, value | 2,792 |  | 3 | 3,541 | (752) |  |  |
Excess tax benefit from equity-based awards | 811 |  |  |  | 811 |  |  |
Equity-based compensation expense | 13,372 |  |  |  | 13,372 |  |  |
Purchases of common stock, share |  |  | (5,036) |  |  |  |  |
Purchases of common stock, value | (80,295) |  | (51) | (80,244) |  |  |  |
Other | (792) |  |  |  |  | (792) |  |
Ending balance,value at Dec. 31, 2010 | 454,818 | 0 | 579 | (322,946) | 349,157 | 20,334 | 396,602 | 11,092
Preferred stock ending balance, share at Dec. 31, 2010 | 0 | 0 |  |  |  |  |  |
Common stock ending balance, share at Dec. 31, 2010 | 57,875,269 |  | 57,875 |  |  |  |  |
Net income | 78,275 |  |  |  |  |  | 74,174 | 4,101
Dividends distributed to noncontrolling interest | (3,548) |  |  |  |  |  |  | (3,548)
Foreign currency translation adjustments | (12,596) |  |  |  |  | (12,211) |  | (385)
Derivatives valuation, net of tax | (12,942) |  |  |  |  | (12,942) |  |
Vesting of restricted stock units issued out of treasury, share |  |  | 561 |  |  |  |  |
Vesting of restricted stock units issued out of treasury, value | (5,393) |  | 5 | 7,706 | (13,104) |  |  |
Exercise of stock options, share |  |  | 1,564 |  |  |  |  |
Exercise of stock options, value | 14,762 |  | 15 | 21,633 | (6,886) |  |  |
Excess tax benefit from equity-based awards | 5,363 |  |  |  | 5,363 |  |  |
Equity-based compensation expense | 15,856 |  |  |  | 15,856 |  |  |
Purchases of common stock, share |  |  | (3,365) |  |  |  |  |
Purchases of common stock, value | (63,693) |  | (33) | (63,660) |  |  |  |
Other | (655) |  |  |  |  | (655) |  |
Ending balance,value at Dec. 31, 2011 | $ 470,247 | $ 0 | $ 566 | $ (357,267) | $ 350,386 | $ (5,474) | $ 470,776 | $ 11,260
Preferred stock ending balance, share at Dec. 31, 2011 | 0 | 0 |  |  |  |  |  |
Common stock ending balance, share at Dec. 31, 2011 | 56,635,319 |  | 56,635 |  |  |  |  |

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- Definition Total number of shares of common stock held by shareholders. May be all or portion of the number of common shares authorized. These shares represent the ownership interest of the common shareholders. Shares outstanding equals shares issued minus shares held in treasury and other adjustments, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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- Definition Net of tax effect change in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges after taxes. A cash flow hedge is a hedge of the exposure to variability in the cash flows of a recognized asset or liability or a forecasted transaction that is attributable to a particular risk. The change includes an entity's share of an equity investee's increase or decrease in deferred hedging gains or losses. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 31, 46 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 14, 17, 20, 24, 26 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 46 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 55 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6920433&loc=d3e998-108581 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 24 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 14, 17, 20, 26 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(3) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 5 -Section 02 -Paragraph 29 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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