Balance Sheet Accounts - Schedule of Property, Plant and Equipment, Net (Detail) (USD $) In Millions, unless otherwise specified	Feb. 28, 2014	Nov. 30, 2013
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 834.5	$ 827.5
Less: accumulated depreciation	(461.8)	(452.8)
Property, plant and equipment, net	372.7	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	221.3	219.5
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	465.4	464.7
Construction-in-Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 80.6	$ 76.1