Senior Leverage Ratio and Total Leverage Ratio Requirements and Actual Amounts (Detail)	Feb. 29, 2016
Covenant Requirement | Maximum
Line of Credit Facility [Line Items]
Maximum Total Leverage Ratio	6.75
Covenant Requirement | Minimum
Line of Credit Facility [Line Items]
Minimum Fixed Charge Coverage Ratio	2.00
Actual | Maximum
Line of Credit Facility [Line Items]
Maximum Total Leverage Ratio	5.40
Actual | Minimum
Line of Credit Facility [Line Items]
Minimum Fixed Charge Coverage Ratio	2.49