Earnings Per Share and Treasury Stock Transactions (Tables)

12 Months Ended

Dec. 03, 2011

EARNINGS PER SHARE AND TREASURY STOCK TRANSACTIONS [Abstract]

Schedule of Weighted Average Number of Shares [Table Text Block]

 The following table provides a reconciliation of the denominators utilized in the calculation of basic and diluted earnings per share:

	2011		2010		2009
Weighted average number of shares outstanding	50,501,842		50,678,617		50,851,933
Dilutive effect of stock-based arrangements	689,593		477,612		268,353
Weighted average number of diluted shares outstanding	51,191,435		51,156,229		51,120,286
Net earnings attributable to CLARCOR Inc.	$	124,003	$	96,081	$	71,543
Net earnings per common share attributable to CLARCOR Inc. - Basic	$	2.46	$	1.90	$	1.41
Net earnings per common share attributable to CLARCOR Inc. - Diluted	$	2.42	$	1.88	$	1.40

Additional Information Earnings Per Share and Treasury Stock Transactions [Table Text Block]

The following table provides additional information regarding the calculation of earnings per share and treasury stock transactions.

	2011		2010		2009
Number of antidilutive options with exercises prices greater than the average market price excluded from the computation of dilutive earnings per share	60,000		646,349		1,297,675
Common stock repurchased and retired pursuant to the Company's stock repurchase program	$	29,317	$	16,277	$	19,767
Number of shares repurchased and retired pursuant to the Company's stock repurchase program	683,776		445,991		688,200