Earnings Per Share and Stock Repurchase Activity (Details 1) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 01, 2014	Mar. 02, 2013
Earnings Per Share and Stock Repurchase Activity [Abstract]
Weighted average number of shares outstanding - Basic (in shares)	50,463,714	49,834,701
Dilutive effect of stock-based arrangements (in shares)	460,731	574,763
Weighted average number of shares outstanding - Diluted (in shares)	50,924,445	50,409,464
Net earnings attributable to CLARCOR Inc.	$ 24,321	$ 23,462
Net earnings per share attributable to CLARCOR Inc. - Basic (in dollars per share)	$ 0.48	$ 0.47
Net earnings per share attributable to CLARCOR Inc. - Diluted (in dollars per share)	$ 0.48	$ 0.47