Business Segments - Additional Information (Detail) $ in Millions	3 Months Ended		9 Months Ended
	Aug. 31, 2020 USD ($)	Aug. 31, 2019 USD ($)	Aug. 31, 2020 USD ($) segment	Aug. 31, 2019 USD ($)
Revenues	$ 1,430.3	$ 1,329.2	$ 4,043.4	$ 3,862.6
Number of operating segments | segment			2
Europe Middle East And Africa [Member]
Revenues	262.7	234.5	$ 756.7	726.7
Asia Pacific [Member]
Revenues	157.1	163.4	431.2	501.5
Americas [Member]
Revenues	$ 1,010.5	$ 931.3	$ 2,855.5	$ 2,634.4