Summary of Significant Accounting Policies, (As Restated for fiscal 2014 and 2013) - Schedule of Sales to U.S. Government and its Agencies (Details) - USD ($) $ in Millions	3 Months Ended								6 Months Ended		9 Months Ended		12 Months Ended
	Nov. 30, 2015	Aug. 31, 2015	May. 31, 2015	Feb. 28, 2015	Nov. 30, 2014	Aug. 31, 2014	May. 31, 2014	Feb. 28, 2014	May. 31, 2015	May. 31, 2014	Aug. 31, 2015	Aug. 31, 2014	Nov. 30, 2015	Nov. 30, 2014	Nov. 30, 2013
Concentration Risk [Line Items]
U.S. Government Sales	$ 486.5	$ 441.0	$ 457.8	$ 323.0	$ 443.6	$ 420.4	$ 406.6	$ 331.6	$ 780.8	$ 738.2	$ 1,221.8	$ 1,158.6	$ 1,708.3	$ 1,602.2	$ 1,378.1
U.S. Government and agencies [Member]
Concentration Risk [Line Items]
U.S. Government Sales													$ 1,529.2	$ 1,478.6	$ 1,305.9
Percentage of Net Sales													90.00%	92.00%	95.00%