Income Taxes - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended					12 Months Ended
	Nov. 23, 2012	Nov. 25, 2011	Nov. 23, 2012	Nov. 25, 2011	Nov. 23, 2012 Internal Revenue Service (IRS) [Member]	Nov. 23, 2012 U.S. State and Local Jurisdiction [Member]	Nov. 23, 2012 International Tax Jurisdiction [Member]	Feb. 02, 2013 Subsequent Event [Member]
Deferred Tax Liability Not Recognized [Line Items]
Effective tax rate	61.50%	31.80%	2.80%	36.20%
Unrecognized tax benefits	$ 27.4		$ 27.4
Income tax expenses affected by unrecognized tax benefits if recognized	17.1		17.1
Reductions in unrecognized tax benefits								(3)
Decreased unrecognized tax benefit								(9)
Reductions in unrecognized tax benefits related to the release of reserves upon the lapse of applicable statutes								1
Reductions in unrecognized tax benefits related to payments to various U.S. state and local jurisdictions to settle certain open years								1
Reductions in unrecognized tax benefits related to a decrease in estimated accruals and settlements related to open years under federal and state examination								1
Interest and penalties on unrecognized tax benefit			0.3
Accrued Interest and penalties on unrecognized tax benefit	$ 8.2		$ 8.2
Open tax years by major tax jurisdiction					2006 to the present	1996 to the present	2006 to the present