Employee Benefit And Retirement Plans - Components of Pension Expense of Defined benefit plans (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Aug. 31, 2020	Aug. 31, 2019	Aug. 31, 2020	Aug. 31, 2019
Defined Benefit Plan Disclosure [Line Items]
Other income, net	$ 3.9	$ 6.9	$ 12.5	$ 19.3
Domestic Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	0.8	0.5	2.4	1.5
Interest costs	7.3	8.6	22.0	25.8
Expected return on plan assets	(10.2)	(10.6)	(30.5)	(31.8)
Amortization of prior service costs	0.2	0.1	0.4	0.3
Recognized net actuarial loss	2.0	0.6	5.9	1.8
Total pension expense	0.1	(0.8)	0.2	(2.4)
Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	0.2	0.9	0.7	2.7
Interest costs	1.9	2.3	5.6	7.1
Expected return on plan assets	(3.7)	(4.0)	(11.2)	(12.3)
Amortization of prior service costs	0.1	0.0	0.1	0.1
Recognized net actuarial loss	0.5	0.3	1.5	0.9
Total pension expense	(0.3)	(0.5)	(2.1)	(1.5)
Defined Benefit Plan, Benefit Obligation, Payment for Settlement	0.7		1.2
Accounting Standards Update 2017-07 [Member]
Defined Benefit Plan Disclosure [Line Items]
Other income, net	$ (1.9)	$ (4.3)	$ (7.1)	$ (13.1)