v3.3.1.900

SHARE-BASED COMPENSATION: (Tables) | 12 Months Ended
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Nov. 30, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of share-based compensation expense | The Company recorded share-based compensation expense in the consolidated statements of operations for fiscal years 2015, 2014 and 2013 as follows:
| Fiscal Years Ended November 30,
| 2015 |  | 2014 |  | 2013
Cost of revenue | $ | 571 |  |  | $ | 646 |  |  | $ | — |
Selling, general and administrative expenses | 13,133 |  |  | 13,430 |  |  | 9,174 |
Total share-based compensation | 13,704 |  |  | 14,076 |  |  | 9,174 |
Tax effect on share-based compensation | (4,967 | ) |  | (5,156 | ) |  | (3,304 | )
Net effect on net income | $ | 8,737 |  |  | $ | 8,920 |  |  | $ | 5,870 |
Schedule of assumptions used in Black-Scholes valuation model | The following assumptions were used in the Black-Scholes valuation model in fiscal years 2015, 2014 and 2013:
| Fiscal Years Ended November 30,
| 2015 |  | 2014 |  | 2013
Stock option plan: |  |  |  |  |
Expected life (years) | 5.9 |  |  | 5.5 |  |  | 5.6 |
Risk free interest rate | 1.63 | % |  | 1.74 | % |  | 1.61 | %
Expected volatility | 31.78 | % |  | 33.40 | % |  | 38.71 | %
Dividend yield | 0.90 | % |  | 0.80 | % |  | 0.00 | %
Employee stock purchase plan: |  |  |  |  |
Expected life (years) | 0.3 |  |  | 0.3 |  |  | 0.3 |
Risk free interest rate | 0.00% - 0.03% |  |  | 0.02% - 0.07% |  |  | 0.02 | %
Expected volatility | 29.68% - 38.63% |  |  | 28.39% - 37.40% |  |  | 27.96 | %
Dividend yield | 0.16% - 0.24% |  |  | 0.00% - 0.02% |  |  | 0.00 | %
Schedule of activity under stock option plans | A summary of the activities 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, 2014 | 2,146 |  |  | 750 |  |  | $34.17
Restricted stock awards granted | (157 | ) |  | — |  |  | —
Restricted stock units granted | (30 | ) |  | — |  |  | —
Restricted stock cancelled/forfeited | 86 |  |  | — |  |  | —
Options granted | (78 | ) |  | 78 |  |  | $89.21
Options exercised | — |  |  | (170 | ) |  | $23.38
Options cancelled/forfeited/expired | 1 |  |  | (1 | ) |  | $17.17
Balances, November 30, 2015 | 1,968 |  |  | 657 |  |  | $43.50
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 2015, 2014 and 2013 were as follows:
| Fiscal Years Ended November 30,
| 2015 |  | 2014 |  | 2013
Intrinsic value of options exercised | $ | 9,338 |  |  | $ | 11,500 |  |  | $ | 10,749 |
Cash received from exercise of options | 3,984 |  |  | 5,873 |  |  | 7,163 |
Schedule of non-vested restricted stock awards and stock units | A summary of the changes in the Company's nonvested restricted stock awards and stock units during the fiscal year 2015 is presented below:
| Number of shares |  | Weighted-average, grant-date fair value per share
Nonvested as of November 30, 2014 | 921 |  | $45.33
Awards granted | 157 |  | $87.44
Units granted | 30 |  | $84.57
Awards and units vested | (303) |  | $41.25
Awards and units cancelled/forfeited | (86) |  | $48.31
Nonvested as of November 30, 2015 | 719 |  | $58.36

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the total intrinsic value of options exercised (or share units converted), share-based liabilities paid, and the total fair value of shares vested during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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