Long-term Debt - Schedule of Actual Ratios and Required Ratios Under Financial Covenants (Details) - Senior Credit Facility [Member]	6 Months Ended
	May. 31, 2015
Debt Instrument [Line Items]
Interest coverage ratio, as defined under the Senior Credit Facility	4.36
Leverage ratio, as defined under the Senior Credit Facility	2.55
Minimum [Member]
Debt Instrument [Line Items]
Interest coverage ratio, as defined under the Senior Credit Facility	2.4
Maximum [Member]
Debt Instrument [Line Items]
Leverage ratio, as defined under the Senior Credit Facility	4.50