Employee Benefit Plans Employee Benefit Plans (Schedule of Amounts Recognized in Other Comprehensive Loss - Health Care Plans) (Details) - Other Postretirement Benefit Plans, Defined Benefit [Member] - USD ($) $ in Millions	Nov. 30, 2016	Nov. 30, 2015
Defined Benefit Plan Disclosure [Line Items]
Net actuarial gain	$ 12.5	$ 13.2
Prior service credit	$ 0.0	$ 0.0