Schedule of Quarterly Financial Information (Parenthetical) (Detail) (USD $)	3 Months Ended		12 Months Ended			3 Months Ended				12 Months Ended			3 Months Ended
	Dec. 29, 2012	Sep. 29, 2012	Dec. 29, 2012	Dec. 31, 2011	Dec. 25, 2010	Dec. 29, 2012 Retail Segment	Mar. 31, 2012 Retail Segment	Dec. 31, 2011 Retail Segment	Jun. 25, 2011 Retail Segment	Dec. 29, 2012 Retail Segment	Dec. 31, 2011 Retail Segment	Dec. 25, 2010 Retail Segment	Sep. 29, 2012 Retail Segment United States	Dec. 29, 2012 Retail Segment MEXICO
Quarterly Financial Information [Line Items]
Pre-tax charge related to Retail store closures						$ 14,100,000	$ 25,300,000		$ 5,600,000	$ 41,000,000	$ 5,600,000	$ 13,100,000
Pre-tax gain on extinguishment of non-recourse debt		670,800,000	670,766,000
Non-cash pre-tax charge to impair fixed assets													9,800,000	1,600,000
Pre-tax charge for acceleration of pension expense related to participant settlements	56,400,000		56,000,000
Pre-tax charges for severance and other costs						6,200,000
Pre-tax charges for severance			6,200,000	14,900,000				6,600,000	8,300,000
Pre-tax charge to impair fixed assets			$ 11,400,000	$ 11,200,000	$ 11,000,000			$ 11,200,000