SHARE-BASED COMPENSATION: (Tables)
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12 Months Ended |
Nov. 30, 2011
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Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
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Schedule of share-based compensation expense |
The Company recorded share-based compensation expense in "Selling, general and administrative expenses" for fiscal years 2011, 2010 and 2009 as follows: | | | | | | | | | | | | | | Fiscal Years Ended November 30, | | 2011 | | 2010 | | 2009 | Share-based compensation expense by type of award: | | | | | | Employee stock options | $ | 1,527 |
| | $ | 2,759 |
| | $ | 2,730 |
| Restricted stock | 6,388 |
| | 5,889 |
| | 4,735 |
| Employee stock purchase plan | 78 |
| | 77 |
| | 100 |
| Total share-based compensation | 7,993 |
| | 8,725 |
| | 7,565 |
| Tax effect on share-based compensation | (2,755 | ) | | (3,180 | ) | | (2,763 | ) | Net effect on net income | $ | 5,238 |
| | $ | 5,545 |
| | $ | 4,802 |
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Schedule of assumptions used in Black-Scholes valuation model |
The following assumptions were used in the Black-Scholes valuation model in fiscal years 2011, 2010 and 2009: | | | | | | | | | | | Fiscal Years Ended November 30, | | 2011 | | 2010 | | 2009 | Stock option plan: | | | | | | Expected life (years) | 5.9 |
| | 5.6 |
| | 5.7 |
| Risk free interest rate | 1.11 | % | | 1.26 | % | | 2.57 | % | Expected volatility | 41.14 | % | | 41.97 | % | | 43.55 | % | Dividend yield | 0.00 | % | | 0.00 | % | | 0.00 | % | Employee stock purchase plan: |
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| Expected life (years) | 0.3 |
| | 0.3 |
| | 0.3 |
| Risk free interest rate | 0.02 | % | | 0.16 | % | | 0.10 | % | Expected volatility | 33.15 | % | | 32.43 | % | | 65.13 | % | Dividend yield | 0.00 | % | | 0.00 | % | | 0.00 | % |
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Schedule of activity under stock option plans |
A summary of the activity under the Company’s stock option plan is set forth below: | | | | | | | | Shares Available for Grant | | Options Outstanding | Number of Shares | | Weighted-Average Exercise Price Per Share | Balances, November 30, 2008 | 2,569 | | 5,044 | | $11.89 | Restricted stock granted | (211) | | — | | — | Restricted stock cancelled/forfeited | 32 | | — | | — | Options granted | (157) | | 157 | | 27.31 | Options exercised | — | | (1,406) | | 9.41 | Options cancelled/forfeited/expired | 66 | | (66) | | 18.11 | Balances, November 30, 2009 | 2,299 | | 3,729 | | $13.37 | Restricted stock awards granted | (267) | | — | | — | Restricted stock units granted | (100) | | — | | — | Restricted stock cancelled/forfeited | 38 | | — | | — | Options granted | (123) | | 123 | | 28.52 | Options exercised | — | | (1,710) | | 9.93 | Options cancelled/forfeited/expired | 22 | | (22) | | 7.14 | Balances, November 30, 2010 | 1,869 | | 2,120 | | $17.08 | Restricted stock awards granted | (244) | | — | | — | Restricted stock units granted | (10) | | — | | — | Restricted stock cancelled/forfeited | 25 | | — | | — | Options granted | (135) | | 135 | | 26.98 | Options exercised | — | | (531) | | 11.87 | Options cancelled/forfeited/expired | 17 | | (17) | | 12.18 | Balances, November 30, 2011 | 1,522 | | 1,707 | | $19.52 |
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Schedule of weighted-average grant-date fair value of stock options |
The weighted-average grant-date fair value of the stock options granted during fiscal years 2011, 2010 and 2009 was as follows: | | | | | | | | Fiscal Years Ended November 30, | | 2011 | | 2010 | | 2009 | Number of options granted | 135 | | 123 | | 157 | Weighted-average grant-date fair value per share | $10.68 | | $12.02 | | $11.28 |
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Schedule of options outstanding and exercisable by exercise price ranges |
The options outstanding and exercisable as of November 30, 2011 were in the following exercise price ranges: | | | | | | | | | | | | | | Options Outstanding | | Options Vested and Exercisable | Range of Exercise Prices per Share | Shares | | Weighted- Average Life (Years) | | Weighted- Average Exercise Price per Share | | Shares | | Weighted- Average Life (Years) | | Weighted- Average Exercise Price per Share | $9.00 - $10.00 | 61 | | 0.83 | | $10.00 | | 61 | | 0.83 | | $10.00 | $12.00 - $15.54 | 272 | | 1.74 | | $12.15 | | 272 | | 1.74 | | $12.15 | $16.10 - $17.17 | 403 | | 3.24 | | $16.50 | | 403 | | 3.24 | | $16.50 | $18.25 - $30.96 | 971 | | 6.82 | | $23.44 | | 606 | | 5.85 | | $21.82 | $9.00 - $30.96 | 1,707 | | 4.95 | | $19.52 | | 1,342 | | 4.01 | | $17.73 |
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Schedule of cash received from exercise of options and intrinsic values of options exercised |
The cash received from the exercise of options and the intrinsic values of options exercised during fiscal years 2011, 2010 and 2009 were as follows: | | | | | | | | | | | | | | Fiscal Years Ended November 30, | | 2011 | | 2010 | | 2009 | Intrinsic value of options exercised | $ | 9,375 |
| | $ | 32,504 |
| | $ | 20,839 |
| Cash received from exercise of options | 6,290 |
| | 16,980 |
| | 13,221 |
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Schedule of non-vested restricted stock awards and stock units |
| | | | | | Number of shares | | Weighted-average, grant-date fair value per share | Nonvested as of November 30, 2008 | 826 | | $20.25 | Awards granted | 211 | | 30.20 | Awards vested | (245) | | 15.30 | Awards cancelled/forfeited | (32) | | 20.44 | Nonvested as of November 30, 2009 | 760 | | $24.60 | Awards granted | 267 | | 28.18 | Units granted | 100 | | 29.04 | Awards vested | (299) | | 22.21 | Awards cancelled/forfeited | (38) | | 24.07 | Nonvested as of November 30, 2010 | 790 | | $25.78 | Awards granted | 244 | | 27.91 | Units granted | 10 | | 32.35 | Awards vested | (240) | | 24.51 | Awards cancelled/forfeited | (25) | | 26.62 | Nonvested as of November 30, 2011 | 779 | | $23.13 |
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