Balance Sheet Accounts - Schedule of Other Current Liabilities (Details) - USD ($) $ in Millions	Aug. 31, 2015	Nov. 30, 2014
Schedule Of Other Liabilities [Line Items]
Accrued compensation and employee benefits	$ 97.1	$ 96.1
Income taxes	0.0	14.1
Competitive improvement program obligations (see Note 9)	6.5	0.0
Interest payable	19.1	14.6
Contract loss provisions	4.5	13.4
Legal settlements	50.0	0.6
Other	62.2	71.0
Other current liabilities	241.3	221.7
UTC [Member]
Schedule Of Other Liabilities [Line Items]
Payable to UTC primarily for Transition Service Agreements	$ 1.9	$ 11.9