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Basis of Presentation and Significant Accounting Policies (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Nov. 30, 2018 | Dec. 01, 2017 | Dec. 02, 2016
Other Details [Abstract] |  |  |  |
Aggregate fair value of derivative instruments, Liabilities |  | $ 10,560 | $ 2,656 |
Aggregate fair value of derivative instruments, Assets |  | 44,259 | 14,198 |
Advertising expenses |  | $ 173,600 | $ 141,700 | $ 135,800
Number of weeks in current fiscal year |  | P52W | P52W | P53W
Foreign Exchange [Member] |  |  |  |
Other Details [Abstract] |  |  |  |
Aggregate fair value of derivative instruments, Assets | [1] | $ 44,300 | $ 14,200 |
Revenue Reserve [Member] |  |  |  |
Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
Beginning balance |  | 22,006 | 23,096 | $ 19,446
Amount charged to revenue |  | 65,241 | 61,031 | 55,739
Actual returns |  | (61,822) | (62,121) | (52,089)
Ending balance |  | 25,425 | 22,006 | 23,096
Allowance for Doubtful Accounts [Member] |  |  |  |
Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
Beginning balance |  | 9,151 | 6,214 | 7,293
Increase due to acquisition |  | 5,602 | 2,391 | 77
Charged to operating expenses |  | 5,962 | 4,411 | 1,337
Actual returns | [2] | (5,734) | (3,865) | (2,493)
Ending balance |  | $ 14,981 | $ 9,151 | $ 6,214
[1] | Included in prepaid expenses and other current assets and accrued expenses for asset derivatives and liability derivatives, respectively, on our Consolidated Balance Sheets.
[2] | Deductions related to the allowance for doubtful accounts represent amounts written off against the allowance, less recoveries.

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