Long-Term Debt - Long-Term Debt and Capital Lease Obligations (Parenthetical) (Detail)	9 Months Ended
	Dec. 01, 2012
Minimum [Member]
Debt Instrument [Line Items]
Effective interest rate	6.28%
Maximum [Member]
Debt Instrument [Line Items]
Effective interest rate	8.97%
8.00% Secured Term Loan Facility due August 2018 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate	8.00%
2.23% to 4.25% Revolving ABL Credit Facility due August 2017 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Minimum	2.23%
Debt Instrument, Interest Rate, Maximum	4.25%
3.74% to 5.00% Revolving Credit Facility and Variable Rate Notes due April 2015 - April 2018
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Minimum	3.74%
Debt Instrument, Interest Rate, Maximum	5.00%
8.00% Notes due May 2016 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate	8.00%
7.45% Debentures due August 2029 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate	7.45%
7.50% Notes due November 2014 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate	7.50%
6.34% to 7.15% Medium Term Notes due July 2012 - June 2028 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Minimum	6.34%
Debt Instrument, Interest Rate, Maximum	7.15%
8.00% Debentures due May 2031 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate	8.00%
8.00% Debentures due June 2026 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate	8.00%
8.70% Debentures due May 2030 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate	8.70%
7.75% Debentures due June 2026 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate	7.75%
7.25% Notes due May 2013 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate	7.25%
7.90% Debentures due May 2017 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate	7.90%
7.50% Notes due May 2012 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate	7.50%