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Nature of Business and Summary of Significant Accounting Policies (Consolidated Income Statement) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Nov. 30, 2019 | Aug. 31, 2019 | May 31, 2019 | Feb. 28, 2019 | Nov. 30, 2018 | Aug. 31, 2018 | May 31, 2018 | Feb. 28, 2018 | Nov. 30, 2019 | Nov. 30, 2018 | Nov. 30, 2017
Revenue: |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue | $ 117,038 | $ 106,716 | $ 99,995 | $ 89,549 | $ 98,104 | $ 92,603 | $ 92,864 | $ 95,410 | $ 413,298 | $ 378,981 | [1] | $ 389,154 | [1]
Costs of revenue |  |  |  |  |  |  |  |  | 75,241 | 66,973 | [1] | 69,159 | [1]
Gross profit | 96,272 | 85,891 | 82,384 | 73,510 | 81,373 | 75,907 | 76,221 | 78,507 | 338,057 | 312,008 | [1] | 319,995 | [1]
Total operating expenses |  |  |  |  |  |  |  |  | 297,973 | 244,194 | [1] | 262,505 | [1]
Income from operations | (6,026) | 15,960 | 14,741 | 15,409 | 11,030 | 19,103 | 18,550 | 19,131 | 40,084 | 67,814 | [1] | 57,490 | [1]
Other expense, net |  |  |  |  |  |  |  |  | (11,589) | (7,018) | [1] | (5,027) | [1]
Income before income taxes |  |  |  |  |  |  |  |  | 28,495 | 60,796 | [1] | 52,463 | [1]
Provision for income taxes |  |  |  |  |  |  |  |  | 2,095 | 11,126 |  | 23,442 |
Net income | $ (4,740) | $ 13,557 | $ 8,181 | $ 9,402 | $ 8,644 | $ 14,390 | $ 12,904 | $ 13,732 | $ 26,400 | $ 49,670 | [1],[2],[3] | $ 29,021 | [1],[2],[3]
Earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |
Basic (in dollars per share) |  |  |  |  |  |  |  |  |  | $ 1.09 |  | $ 0.60 |
Diluted (in dollars per share) |  |  |  |  |  |  |  |  |  | $ 1.08 |  | $ 0.60 |
Weighted average shares outstanding: |  |  |  |  |  |  |  |  |  |  |  |  |
Basic (in shares) |  |  |  |  |  |  |  |  | 44,791 | 45,561 | [1] | 48,129 | [1]
Diluted (in shares) |  |  |  |  |  |  |  |  | 45,340 | 46,135 | [1] | 48,516 | [1]
Software licenses |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue |  |  |  |  |  |  |  |  | $ 122,552 | $ 99,800 | [1] | $ 113,643 | [1]
Costs of revenue |  |  |  |  |  |  |  |  | 4,894 | 4,769 | [1] | 5,752 | [1]
Maintenance and services |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue |  |  |  |  |  |  |  |  | 290,746 | 279,181 | [1] | 275,511 | [1]
Costs of revenue |  |  |  |  |  |  |  |  | $ 44,463 | 39,470 | [1] | 43,299 | [1]
As Reported |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue |  |  |  |  |  |  |  |  |  | 397,165 |  | 397,572 |
Costs of revenue |  |  |  |  |  |  |  |  |  | 66,973 |  | 69,159 |
Gross profit |  |  |  |  |  |  |  |  |  | 330,192 |  | 328,413 |
Total operating expenses |  |  |  |  |  |  |  |  |  | 244,194 |  | 257,799 |
Income from operations |  |  |  |  |  |  |  |  |  | 85,998 |  | 70,614 |
Other expense, net |  |  |  |  |  |  |  |  |  | (7,018) |  | (5,027) |
Income before income taxes |  |  |  |  |  |  |  |  |  | 78,980 |  | 65,587 |
Provision for income taxes |  |  |  |  |  |  |  |  |  | 15,489 |  | 28,170 |
Net income |  |  |  |  |  |  |  |  |  | $ 63,491 |  | $ 37,417 |
Earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |
Basic (in dollars per share) |  |  |  |  |  |  |  |  |  | $ 1.39 |  | $ 0.78 |
Diluted (in dollars per share) |  |  |  |  |  |  |  |  |  | $ 1.38 |  | $ 0.77 |
As Reported | Software licenses |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue |  |  |  |  |  |  |  |  |  | $ 122,137 |  | $ 124,406 |
As Reported | Maintenance and services |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue |  |  |  |  |  |  |  |  |  | 275,028 |  | 273,166 |
Accounting Standards Update 2014-09 | Adjustments |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue |  |  |  |  |  |  |  |  |  | (18,184) |  | (8,418) |
Costs of revenue |  |  |  |  |  |  |  |  |  | 0 |  | 0 |
Gross profit |  |  |  |  |  |  |  |  |  | (18,184) |  | (8,418) |
Total operating expenses |  |  |  |  |  |  |  |  |  | 0 |  | 4,706 |
Income from operations |  |  |  |  |  |  |  |  |  | (18,184) |  | (13,124) |
Other expense, net |  |  |  |  |  |  |  |  |  | 0 |  | 0 |
Income before income taxes |  |  |  |  |  |  |  |  |  | (18,184) |  | (13,124) |
Provision for income taxes |  |  |  |  |  |  |  |  |  | (4,363) |  | (4,728) |
Net income |  |  |  |  |  |  |  |  |  | $ (13,821) |  | $ (8,396) |
Earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |
Basic (in dollars per share) |  |  |  |  |  |  |  |  |  | $ (0.30) |  | $ (0.18) |
Diluted (in dollars per share) |  |  |  |  |  |  |  |  |  | $ (0.30) |  | $ (0.17) |
Weighted average shares outstanding: |  |  |  |  |  |  |  |  |  |  |  |  |
Basic (in shares) |  |  |  |  |  |  |  |  |  | 0 |  | 0 |
Diluted (in shares) |  |  |  |  |  |  |  |  |  | 0 |  | 0 |
Accounting Standards Update 2014-09 | Adjustments | Software licenses |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue |  |  |  |  |  |  |  |  |  | $ (22,337) |  | $ (10,763) |
Accounting Standards Update 2014-09 | Adjustments | Maintenance and services |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue |  |  |  |  |  |  |  |  |  | $ 4,153 |  | $ 2,345 |
[1] | The Company adopted the accounting standard related to revenue recognition ("ASC 606") effective December 1, 2018 using the full retrospective method. See Note 1. Nature of Business and Summary of Significant Accounting Policies for further information.
[2] | The Company adopted the accounting standard related to revenue recognition ("ASC 606") effective December 1, 2018 using the full retrospective method. See Note 1. Nature of Business and Summary of Significant Accounting Policies for further information.
[3] | The Company adopted the accounting standard related to revenue recognition ("ASC 606") effective December 1, 2018 using the full retrospective method. See Note 1. Nature of Business and Summary of Significant Accounting Policies for further information.

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