Commitments and Contingencies - Summary of Pre-Close Environmental Costs (Details) $ in Millions	12 Months Ended
	Nov. 30, 2015 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Pre-Close Environmental Costs	$ 20.0
Amount spent through November 30, 2015	(18.5)
Amount included as a component of reserves for environmental remediation costs in the consolidated balance sheet as of November 30, 2015	(1.5)
Remaining Pre-Close Environmental Costs	$ 0.0