Significant Accounting Policies - Revenue Recognition (Details)	12 Months Ended
Nov. 29, 2020	Nov. 24, 2019	Nov. 25, 2018
Sales Revenue, Services, Net \| Customer Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Concentration risk, percentage	29.00%	26.00%	27.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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