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Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands | Total | Cumulative Effect, Period of Adoption, Adjustment | Common Stock | Additional Paid-In Capital | Additional Paid-In Capital Cumulative Effect, Period of Adoption, Adjustment | Retained Earnings | Retained Earnings Cumulative Effect, Period of Adoption, Adjustment | Accumulated Other Comprehensive Loss
--- | --- | --- | --- | --- | --- | --- | --- | ---
Balance, beginning of year (in shares) at Nov. 30, 2017 | [1] |  |  |  | 47,281,000 |  |  |  |  |  |  |  |  |
Balance, beginning of year at Nov. 30, 2017 |  | $ 404,381 | [1] | $ 0 | $ 473 | [1] | $ 249,363 | [1] | $ 641 | $ 172,951 | [1] | $ (641) | $ (18,406) | [1]
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of stock under employee stock purchase plan (in shares) |  |  |  |  | 225,000 |  |  |  |  |  |  |  |  |
Issuance of stock under employee stock purchase plan |  | 5,458 |  |  | $ 2 |  | 5,456 |  |  |  |  |  |  |
Exercise of stock options (in shares) |  |  |  |  | 189,000 |  |  |  |  |  |  |  |  |
Exercise of stock options |  | 3,858 |  |  | $ 2 |  | 3,856 |  |  |  |  |  |  |
Vesting of restricted stock units and release of deferred stock units (in shares) |  |  |  |  | 407,000 |  |  |  |  |  |  |  |  |
Vesting of restricted stock units and release of deferred stock units |  | 4 |  |  | $ 4 |  |  |  |  |  |  |  |  |
Withholding tax payments related to net issuance of restricted stock units (in shares) |  |  |  |  | (108,000) |  |  |  |  |  |  |  |  |
Withholding tax payments related to net issuance of restricted stock units |  | (3,999) |  |  | $ (1) |  | (3,998) |  |  |  |  |  |  |
Stock-based compensation |  | 20,569 |  |  |  |  | 20,569 |  |  |  |  |  |  |
Dividends declared |  | $ (26,169) |  |  |  |  |  |  |  | (26,169) |  |  |  |
Treasury stock repurchases and retirements (in shares) |  | (2,900,000) |  |  | (2,879,000) |  |  |  |  |  |  |  |  |
Treasury stock repurchases and retirements |  | $ (120,000) |  |  | $ (29) |  | (9,285) |  |  | (110,686) |  |  |  |
Net income |  | 49,670 | [2],[3] |  |  |  |  |  |  | 49,670 |  |  |  |
Other comprehensive income (loss), net of tax |  | (9,770) | [4] |  |  |  |  |  |  |  |  |  | (9,770) |
Balance, end of year (in shares) at Nov. 30, 2018 | [1] |  |  |  | 45,115,000 |  |  |  |  |  |  |  |  |
Balance, end of year at Nov. 30, 2018 |  | 324,002 | [1] | $ 4,781 | $ 451 | [1] | 266,602 | [1] |  | 85,125 | [1] | $ 4,781 | (28,176) | [1]
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of stock under employee stock purchase plan (in shares) |  |  |  |  | 189,000 |  |  |  |  |  |  |  |  |
Issuance of stock under employee stock purchase plan |  | 5,507 |  |  | $ 2 |  | 5,505 |  |  |  |  |  |  |
Exercise of stock options (in shares) |  |  |  |  | 119,000 |  |  |  |  |  |  |  |  |
Exercise of stock options |  | 3,621 |  |  | $ 1 |  | 3,620 |  |  |  |  |  |  |
Vesting of restricted stock units and release of deferred stock units (in shares) |  |  |  |  | 364,000 |  |  |  |  |  |  |  |  |
Vesting of restricted stock units and release of deferred stock units |  | 3 |  |  | $ 4 |  | (1) |  |  |  |  |  |  |
Withholding tax payments related to net issuance of restricted stock units (in shares) |  |  |  |  | (106,000) |  |  |  |  |  |  |  |  |
Withholding tax payments related to net issuance of restricted stock units |  | (4,278) |  |  | $ (1) |  | (4,277) |  |  |  |  |  |  |
Stock-based compensation |  | 23,311 |  |  |  |  | 23,311 |  |  |  |  |  |  |
Issuance of shares related to non-compete agreement (in shares) |  |  |  |  | 44,000 |  |  |  |  |  |  |  |  |
Issuance of shares related to non-compete agreement |  | 2,000 |  |  |  |  | 2,000 |  |  |  |  |  |  |
Dividends declared |  | $ (28,267) |  |  |  |  |  |  |  | (28,267) |  |  |  |
Treasury stock repurchases and retirements (in shares) |  | (700,000) |  |  | (688,000) |  |  |  |  |  |  |  |  |
Treasury stock repurchases and retirements |  | $ (25,000) |  |  | $ (7) |  | (1,257) |  |  | (23,736) |  |  |  |
Net income |  | 26,400 |  |  |  |  |  |  |  | 26,400 |  |  |  |
Other comprehensive income (loss), net of tax |  | $ (1,798) |  |  |  |  |  |  |  |  |  |  | (1,798) |
Balance, end of year (in shares) at Nov. 30, 2019 |  | 45,036,441 |  |  | 45,037,000 |  |  |  |  |  |  |  |  |
Balance, end of year at Nov. 30, 2019 |  | $ 330,282 |  |  | $ 450 |  | 295,503 |  |  | 64,303 |  |  | (29,974) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of stock under employee stock purchase plan (in shares) |  |  |  |  | 237,000 |  |  |  |  |  |  |  |  |
Issuance of stock under employee stock purchase plan |  | $ 6,606 |  |  | $ 2 |  | 6,604 |  |  |  |  |  |  |
Exercise of stock options (in shares) |  | 137,000 |  |  | 137,000 |  |  |  |  |  |  |  |  |
Exercise of stock options |  | $ 4,361 |  |  | $ 1 |  | 4,360 |  |  |  |  |  |  |
Vesting of restricted stock units and release of deferred stock units (in shares) |  |  |  |  | 416,000 |  |  |  |  |  |  |  |  |
Vesting of restricted stock units and release of deferred stock units |  | 0 |  |  | $ 4 |  | (4) |  |  |  |  |  |  |
Withholding tax payments related to net issuance of restricted stock units (in shares) |  |  |  |  | (140,000) |  |  |  |  |  |  |  |  |
Withholding tax payments related to net issuance of restricted stock units |  | (5,331) |  |  | $ (1) |  | (5,330) |  |  |  |  |  |  |
Stock-based compensation |  | 23,482 |  |  |  |  | 23,482 |  |  |  |  |  |  |
Dividends declared |  | $ (30,305) |  |  |  |  |  |  |  | (30,305) |  |  |  |
Treasury stock repurchases and retirements (in shares) |  | (1,400,000) |  |  | (1,446,000) |  |  |  |  |  |  |  |  |
Treasury stock repurchases and retirements |  | $ (60,000) |  |  | $ (14) |  | (18,813) |  |  | (41,173) |  |  |  |
Net income |  | 79,722 |  |  |  |  |  |  |  | 79,722 |  |  |  |
Other comprehensive income (loss), net of tax |  | $ (2,804) |  |  |  |  |  |  |  |  |  |  | (2,804) |
Balance, end of year (in shares) at Nov. 30, 2020 |  | 44,240,635 |  |  | 44,241,000 |  |  |  |  |  |  |  |  |
Balance, end of year at Nov. 30, 2020 |  | $ 346,013 |  |  | $ 442 |  | $ 305,802 |  |  | $ 72,547 |  |  | $ (32,778) |
[1] | (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] | (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.
[3] | (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.
[4] | (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.

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