Long-Term Debt - Long-Term Debt and Capital Lease Obligations (Parenthetical) (Detail)	9 Months Ended
	Nov. 30, 2013
Minimum [Member]
Debt Instrument [Line Items]
Effective interest rate	5.13%
Maximum [Member]
Debt Instrument [Line Items]
Effective interest rate	8.58%
5.00% Secured Term Loan Facility Due March 2019 [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate	5.00%
8.00% Senior Notes Due May 2016 [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate	8.00%
6.75% Senior Notes Due June 2021 [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate	6.75%
2.17% to 4.25% Revolving ABL Credit Facility Due March 2018 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Minimum	2.17%
Debt Instrument, Interest Rate, Maximum	4.25%
8.00% Secured Term Loan Facility Due August 2018 [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate	8.00%
7.50% Senior Notes Due November 2014 [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate	7.50%
2.21% to 4.25% Revolving ABL Credit Facility Due August 2017 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Minimum	2.21%
Debt Instrument, Interest Rate, Maximum	4.25%