Related Parties (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Nov. 25, 2012	Nov. 27, 2011	Nov. 28, 2010
Levi Strauss Foundation [Member]
Related Party Transaction [Line Items]
Related party donations	$ 2.8	$ 1.6	$ 3.1
Red Tab Foundation [Member]
Related Party Transaction [Line Items]
Related party donations	0.1
Chairman of the board of directors [Member]
Related Party Transaction [Line Items]
Related party professional fees			$ 0.2