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Consolidated Statements of Stockholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified | Total | Interest rate swaps | Foreign currency swaps and contracts | Common stock | Paid in capital | Accumulated other comprehensive loss | Accumulated other comprehensive loss Interest rate swaps | Accumulated other comprehensive loss Foreign currency swaps and contracts | Retained earnings
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Feb. 28, 2010 |  |  |  | $ 3,057 | $ 120,761 | $ (8,574) |  |  | $ 468,528
Balance (in shares) at Feb. 28, 2010 |  |  |  | 30,572,000 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |
Adjustments to paid in capital for changes in uncertain tax positions |  |  |  |  | 162 |  |  |  |
Share-based compensation, net of tax benefits of $74, $99 and $99 |  |  |  |  | 1,918 |  |  |  |
Exercise of stock options, including tax benefits of $5,015, $4,483 and $551 |  |  |  | 32 | 7,183 |  |  |  |
Exercise of stock options, including tax benefits (in shares) |  |  |  | 318,000 |  |  |  |  |
Issuance of restricted stock |  |  |  | 1 | (1) |  |  |  |
Issuance of restricted stock (in shares) |  |  |  | 12,000 |  |  |  |  |
Issuance of common stock in connection with employee stock purchase plan |  |  |  | 3 | 475 |  |  |  |
Issuance of common stock in connection with employee stock purchase plan (in shares) |  |  |  | 25,000 |  |  |  |  |
Cash flow hedge activity, net of tax |  | 1,582 | (1,206) |  |  |  | 1,582 | (1,206) |
Auction rate security activity, net of tax | 348 |  |  |  |  | 348 |  |  |
Net Income | 93,305 |  |  |  |  |  |  |  | 93,305
Common stock repurchased and retired |  |  |  | (9) | (483) |  |  |  | (1,533)
Common stock repurchased and retired (in shares) |  |  |  | (88,000) |  |  |  |  |
Balance at Feb. 28, 2011 | 685,549 |  |  | 3,084 | 130,015 | (7,850) |  |  | 560,300
Balance (in shares) at Feb. 28, 2011 |  |  |  | 30,839,000 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |
Adjustments to paid in capital for changes in uncertain tax positions |  |  |  |  | (482) |  |  |  |
Share-based compensation, net of tax benefits of $74, $99 and $99 |  |  |  |  | 2,829 |  |  |  |
Exercise of stock options, including tax benefits of $5,015, $4,483 and $551 |  |  |  | 191 | 35,066 |  |  |  |
Exercise of stock options, including tax benefits (in shares) |  |  |  | 1,907,000 |  |  |  |  |
Issuance of restricted stock |  |  |  | 2 | (2) |  |  |  |
Issuance of restricted stock (in shares) |  |  |  | 18,000 |  |  |  |  |
Issuance of common stock in connection with employee stock purchase plan |  |  |  | 4 | 1,008 |  |  |  |
Issuance of common stock in connection with employee stock purchase plan (in shares) |  |  |  | 42,000 |  |  |  |  |
Cash flow hedge activity, net of tax |  | 792 | 585 |  |  |  | 792 | 585 |
Auction rate security activity, net of tax | 884 |  |  |  |  | 884 |  |  |
Net Income | 110,374 |  |  |  |  |  |  |  | 110,374
Common stock repurchased and retired |  |  |  | (113) | (17,428) |  |  |  | (22,530)
Common stock repurchased and retired (in shares) |  |  |  | (1,125,000) |  |  |  |  |
Balance at Feb. 29, 2012 | 796,729 |  |  | 3,168 | 151,006 | (5,589) |  |  | 648,144
Balance (in shares) at Feb. 29, 2012 |  |  |  | 31,681,000 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |
Share-based compensation, net of tax benefits of $74, $99 and $99 |  |  |  |  | 2,993 |  |  |  |
Exercise of stock options, including tax benefits of $5,015, $4,483 and $551 |  |  |  | 25 | 10,804 |  |  |  |
Exercise of stock options, including tax benefits (in shares) |  |  |  | 248,000 |  |  |  |  |
Issuance of restricted stock |  |  |  | 1 | (1) |  |  |  |
Issuance of restricted stock (in shares) |  |  |  | 11,000 |  |  |  |  |
Issuance of common stock in connection with employee stock purchase plan |  |  |  | 4 | 1,056 |  |  |  |
Issuance of common stock in connection with employee stock purchase plan (in shares) |  |  |  | 39,000 |  |  |  |  |
Cash flow hedge activity, net of tax |  | 2,424 | 436 |  |  |  | 2,424 | 436 |
Net Income | 115,666 |  |  |  |  |  |  |  | 115,666
Common stock repurchased and retired |  |  |  | (11) | (1,387) |  |  |  | (2,133)
Common stock repurchased and retired (in shares) |  |  |  | (111,000) |  |  |  |  |
Balance at Feb. 28, 2013 | $ 926,606 |  |  | $ 3,187 | $ 164,471 | $ (2,729) |  |  | $ 761,677
Balance (in shares) at Feb. 28, 2013 |  |  |  | 31,868,000 |  |  |  |  |

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