Retirement Benefits, (As Restated for fiscal 2014 and 2013) - Schedule of Pension Plan's Asset Allocations by Asset Category (Details)	Nov. 30, 2015	Nov. 30, 2014
Defined Benefit Plan Disclosure [Line Items]
Pension plans weighted average asset allocation	100.00%	100.00%
Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension plans weighted average asset allocation	35.00%	18.00%
Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension plans weighted average asset allocation	35.00%	32.00%
Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension plans weighted average asset allocation	13.00%	16.00%
Real Estate Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension plans weighted average asset allocation	0.00%	2.00%
Private Equity Holdings [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension plans weighted average asset allocation	7.00%	9.00%
Alternative Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension plans weighted average asset allocation	10.00%	23.00%