Balance Sheet Accounts and Supplemental Disclosures, (As Restated for fiscal 2014 and 2013) - Schedule of Other Current Liabilities (Details) - USD ($) $ in Millions	Nov. 30, 2015	Aug. 31, 2015	May. 31, 2015	Feb. 28, 2015	Nov. 30, 2014	Aug. 31, 2014	May. 31, 2014	Feb. 28, 2014
Schedule Of Other Liabilities [Line Items]
Accrued compensation and employee benefits	$ 101.3				$ 94.9
Income taxes	15.5				16.2
Interest payable	11.7				14.6
Contract loss provisions	9.3				12.0
Other	61.6				71.8
Other current liabilities	201.3	$ 243.7	$ 200.9	$ 213.5	221.4	$ 218.1	$ 183.7	$ 217.7
UTC [Member]
Schedule Of Other Liabilities [Line Items]
Payable to UTC primarily for Transition Service Agreements	$ 1.9				$ 11.9