Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Feb. 28, 2019	Feb. 28, 2018
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (4.6)	$ 7.3
Foreign currency translations:
Unrealized net change during the period	3.7	5.7
Unrealized net change on intercompany foreign debt during the period	0.1	0.6
Foreign currency translations, net of tax	3.8	6.3
Post retirement benefit plans:
Amortization of net loss included in net periodic benefit cost	0.8	1.1
Tax effect	(0.2)	0.0
Post-retirement benefit plans, net of tax	0.6	1.1
Other comprehensive income (loss), net of tax	4.4	7.4
Comprehensive income (loss)	$ (0.2)	$ 14.7