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Consolidated Statements of Earnings (Loss) (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Revenues | $ 2,224,171 | $ 1,986,271 | $ 1,703,222
Cost of revenues (exclusive of depreciation and amortization shown below) | 1,436,214 | 1,221,323 | 1,062,406
Selling, general and administrative expenses | 634,321 | 620,401 | 526,669
Depreciation | 30,661 | 28,280 | 26,833
Amortization of intangible assets | 20,265 | 19,606 | 19,550
Goodwill impairment charge (note 11) |  |  | 29,583
Acquisition-related items (note 5) | 4,649 | (871) |
Operating earnings | 98,061 | 97,532 | 38,181
Interest expense | 17,975 | 18,347 | 13,923
Interest income | (1,167) | (950) | (1,417)
Other expense (income), net (note 6) | 6,317 | 3,007 | (6,112)
Earnings before income tax | 74,936 | 77,128 | 31,787
Income tax (note 16) | (26,807) | 29,228 | 39,066
Net earnings (loss) from continuing operations | 101,743 | 47,900 | (7,279)
Net loss from discontinued operations, net of income tax (note 4) |  |  | (576)
Net earnings (loss) | 101,743 | 47,900 | (7,855)
Non-controlling interest share of earnings (note 13) | 14,692 | 15,420 | 4,397
Non-controlling interest redemption increment (note 13) | 12,941 | 18,916 | 32,602
Net earnings (loss) attributable to Company (note 17) | 74,110 | 13,564 | (44,854)
Preferred share dividends | 9,971 | 10,101 | 10,101
Net earnings (loss) attributable to common shareholders | $ 64,139 | $ 3,463 | $ (54,955)
Basic |  |  |
Continuing operations (in Dollars per share) | $ 2.13 | $ 0.12 | $ (1.85)
Discontinued operations (in Dollars per share) |  |  | $ (0.02)
(in Dollars per share) | $ 2.13 | $ 0.12 | $ (1.87)
Diluted |  |  |
Continuing operations (in Dollars per share) | $ 2.03 | $ 0.11 | $ (1.85)
Discontinued operations (in Dollars per share) |  |  | $ (0.02)
(in Dollars per share) | $ 2.03 | $ 0.11 | $ (1.87)

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs and fair value adjustments for contingent consideration. + References No definition available. + Details
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