Balance Sheet Accounts - Schedule of Property, Plant and Equipment, Net (Detail) (USD $) In Millions, unless otherwise specified	Aug. 31, 2014	Nov. 30, 2013
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 853.6	$ 827.5
Less: accumulated depreciation	(483.0)	(452.8)
Property, plant and equipment, net	370.6	374.7
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	67.2	67.2
Buildings and Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	275.4	219.5
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	474.0	464.7
Construction-in-Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 37.0	$ 76.1