Exit Costs - Narrative (Details) - USD ($) $ in Millions			3 Months Ended	9 Months Ended
	Jul. 31, 2015	Jun. 26, 2014	Aug. 31, 2015	Aug. 31, 2015
Restructuring and Related Activities [Abstract]
Line of credit reduced borrowing capacity	$ 750.0	$ 750.0
Unamortized deferred origination costs			$ 2.7	$ 3.8
Non-cash restructuring costs			10.2	21.0
Expected costs			$ 12.0	$ 12.0