Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	12 Months Ended
	Nov. 30, 2021	Nov. 30, 2020
Leases [Abstract]
Operating cash flows used for operating leases	$ 45.4	$ 41.5
Operating cash flows used for finance leases	4.3	4.5
Financing cash flows used for finance leases	7.1	6.9
ROU assets obtained in exchange for lease liabilities	$ 47.8	$ 36.6