Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions		3 Months Ended
		Feb. 28, 2019	Feb. 28, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax, beginning of period		$ (122.4)	$ (125.3)
Other comprehensive income (loss) before reclassifications		3.8	6.3
Amounts reclassified to earnings (a)	[1]	0.6	1.1
Accumulated Other Comprehensive Income (Loss), Net of Tax, end of period		(118.0)	(117.9)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax, beginning of period		(32.6)	(23.1)
Other comprehensive income (loss) before reclassifications		3.8	6.3
Amounts reclassified to earnings (a)	[1]	0.0	0.0
Accumulated Other Comprehensive Income (Loss), Net of Tax, end of period		(28.8)	(16.8)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax, beginning of period		(89.8)	(102.2)
Other comprehensive income (loss) before reclassifications		0.0	0.0
Amounts reclassified to earnings (a)	[1]	0.6	1.1
Accumulated Other Comprehensive Income (Loss), Net of Tax, end of period		$ (89.2)	$ (101.1)

[1] Amounts reclassified from accumulated other comprehensive income (loss) related to defined benefit plans were included in net periodic benefit expense.