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Condensed Consolidated Statement of Changes in Equity (USD $) In Thousands, unless otherwise specified | Total | Total AAR Shareholders' Equity | Common Stock | Capital Surplus | Retained Earnings | Treasury Stock | Accumulated Other Comprehensive Income (Loss) | Noncontrolling Interest
--- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at May. 31, 2011 | $ 835,289 | $ 835,845 | $ 44,986 | $ 423,805 | $ 486,130 | $ (100,431) | $ (18,645) | $ (556)
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |
Net income | 34,181 | 34,181 |  |  | 34,181 |  |  |
Cash dividends | (6,052) | (6,052) |  |  | (6,052) |  |  |
Exercise of stock options and stock awards | 2,156 | 2,156 |  | 2,397 |  | (241) |  |
Tax benefit related to share-based plans | 595 | 595 |  | 595 |  |  |  |
Restricted stock activity | 4,392 | 4,392 | (87) | (8,654) |  | 13,133 |  |
Repurchase of shares | (3,659) | (3,659) |  |  |  | (3,659) |  |
Unrealized loss on derivatives, net of tax | (2,736) | (2,736) |  |  |  |  | (2,736) |
Foreign currency translation loss | (774) | (774) |  |  |  |  | (774) |
Balance at Nov. 30, 2011 | $ 863,392 | $ 863,948 | $ 44,899 | $ 418,143 | $ 514,259 | $ (91,198) | $ (22,155) | $ (556)

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