Employee Benefit And Retirement Plans - Components of Pension Expense of Defined benefit plans (Detail) - USD ($) $ in Millions	3 Months Ended
	Feb. 28, 2019	Feb. 28, 2018
Defined Benefit Plan Disclosure [Line Items]
Other income, net	$ 6.1	$ 4.1
Defined Benefit Plan, Accumulated Benefit Obligation, (Increase) Decrease for Settlement and Curtailment	17.5
Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax	18.0
Domestic Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	0.5	4.4
Interest costs	8.6	7.9
Expected return on plan assets	(10.6)	(10.8)
Amortization of prior service costs	0.1	0.0
Recognized net actuarial loss	0.6	2.5
Total pension expense	(0.8)	4.0
Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Accumulated Benefit Obligation, (Increase) Decrease for Settlement and Curtailment	17.5
Service cost	0.9	1.1
Interest costs	2.4	2.4
Expected return on plan assets	(4.1)	(4.2)
Amortization of prior service costs	0.0	0.5
Recognized net actuarial loss	0.3	0.7
Total pension expense	(0.5)	0.5
Accounting Standards Update 2017-07 [Member]
Defined Benefit Plan Disclosure [Line Items]
Other income, net	$ 4.4	$ 2.6