Long-Term Debt (Parenthetical) (Detail)	Dec. 30, 2012 Unsecured notes bearing fixed rate interest at 6.375% due April 2012	May 31, 2009 Unsecured notes bearing fixed rate interest at 6.375% due April 2012	Dec. 30, 2012 Unsecured notes bearing fixed rate interest at 8.75% due November 2014	Oct. 31, 2009 Unsecured notes bearing fixed rate interest at 8.75% due November 2014	Dec. 30, 2012 Unsecured notes bearing fixed rate interest at 10% due June 2015	May 31, 2009 Unsecured notes bearing fixed rate interest at 10% due June 2015	Dec. 30, 2012 Unsecured notes bearing fixed rate interest at 6.375% due September 2015	Dec. 30, 2012 Unsecured notes bearing fixed rate interest at 10% due April 2016	May 31, 2009 Unsecured notes bearing fixed rate interest at 10% due April 2016	Dec. 30, 2012 Unsecured notes bearing fixed rate interest at 9.375% due November 2017	Oct. 31, 2009 Unsecured notes bearing fixed rate interest at 9.375% due November 2017	Dec. 30, 2012 Unsecured notes bearing fixed rate interest at 7.125% due September 2018
Debt Disclosure [Line Items]
Long-term debt, interest rate	6.375%	6.375%	8.75%	8.75%	10.00%	10.00%	6.375%	10.00%	10.00%	9.375%	9.375%	7.125%