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, 2017	Aug. 31, 2016	Aug. 31, 2017	Aug. 31, 2016	Feb. 28, 2017
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Effect of Settlements and Curtailments on Accumulated Benefit Obligation					$ 77.7
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Minimum Pension Liability, before Tax					76.7
United States Pension Plan of US Entity
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Effect of Settlements and Curtailments on Accumulated Benefit Obligation					69.9
Service cost	$ 3.4	$ 5.3	$ 10.7	$ 16.1
Interest costs	7.8	8.4	23.5	25.0
Expected return on plan assets	(10.3)	(10.1)	(30.8)	(30.4)
Amortization of prior service costs			0.0	0.0
Recognized net actuarial loss	1.3	3.1	4.5	9.4
Total pension expense	2.2	6.7	7.9	20.1
International [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Effect of Settlements and Curtailments on Accumulated Benefit Obligation					$ 7.8
Service cost	1.4	1.9	4.2	5.4
Interest costs	2.6	2.8	7.6	8.6
Expected return on plan assets	(3.8)	(4.1)	(11.2)	(12.4)
Amortization of prior service costs			0.6	0.2
Recognized net actuarial loss	1.0	1.1	3.0	3.2
Total pension expense	$ 1.2	$ 1.7	$ 4.2	$ 5.0