Employee Benefit Plans Employee Benefit Plans (Schedule of Changes in Projected Benefit Obligations - Pension) (Details) - USD ($) $ in Millions	12 Months Ended
	Nov. 30, 2016	Nov. 30, 2015	Nov. 30, 2014
Change in Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	$ 141.0
Redemptions	(0.2)	$ 0.0
Fair Value of Plan Assets at End of Year	136.3	141.0
Pension Plan [Member]
Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	282.5	333.8
Service cost	1.8	1.4	$ 1.5
Interest cost	9.6	12.9	13.1
Actuarial loss (gain)	7.7	(34.7)
Benefits paid net of retiree contributions	(20.3)	(28.2)
Exchange rate changes	0.1	(2.0)
Benefit Obligation at End of Year	280.8	282.5	333.8
Change in Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	197.1	221.8
Actual return on assets	13.6	(2.2)
Employer contributions	6.9	5.7
Benefits and expenses paid net of retiree contributions	(20.3)	(28.2)
Fair Value of Plan Assets at End of Year	197.1	197.1	$ 221.8
Funded Status at November 30	(83.7)	(85.4)
Amounts Recognized in the Consolidated Balance Sheets
Current liability	(1.4)	(0.5)
Non-current liability	(82.3)	(84.9)
Net Amount Recognized	(83.7)	(85.4)
Defined Benefit Plan, Business Combinations and Acquisitions, Benefit Obligation	$ (0.6)	$ (0.2)