Retirement Plan	12 Months Ended
	Nov. 30, 2021
Retirement Benefits [Abstract]
Retirement Plan	Retirement PlanWe maintain a retirement plan covering all U.S. employees under Section 401(k) of the Internal Revenue Code. Company contributions to the plan are at the discretion of the Board of Directors and totaled approximately $4.0 million, $3.6 million and $2.3 million for fiscal years 2021, 2020 and 2019, respectively.