CONSOLIDATED CONDENSED STATEMENTS OF EARNINGS (USD $) In Thousands, except Share data	3 Months Ended		6 Months Ended
	May 28, 2011	May 29, 2010	May 28, 2011	May 29, 2010
Net sales	$ 288,533	$ 257,869	$ 534,253	$ 473,000
Cost of sales	189,071	173,026	353,838	318,352
Gross profit	99,462	84,843	180,415	154,648
Selling and administrative expense	50,682	48,631	100,344	95,540
Operating profit	48,780	36,212	80,071	59,108
Other income (expense) [Abstract]
Interest expense	(221)	(114)	(265)	(237)
Interest income	239	95	276	116
Other, net	(228)	(205)	(428)	(597)
Total other income (expense)	(210)	(224)	(417)	(718)
Earnings before income taxes	48,570	35,988	79,654	58,390
Provision for income taxes	15,689	12,053	24,852	19,648
Net earnings	32,881	23,935	54,802	38,742
Net (earnings) loss attributable to noncontrolling interests	(73)	(50)	(113)	9
Net earnings attributable to CLARCOR Inc.	$ 32,808	$ 23,885	$ 54,689	$ 38,751
Net earnings per share attributable to CLARCOR Inc. [Abstract]
Basic	$ 0.65	$ 0.47	$ 1.08	$ 0.76
Diluted	$ 0.64	$ 0.47	$ 1.07	$ 0.76
Weighted average number of shares outstanding [Abstract]
Basic	50,594,963	50,716,443	50,581,731	50,661,061
Diluted	51,282,383	51,042,817	51,284,811	50,902,545
Dividends paid per share	$ 0.1050	$ 0.0975	$ 0.2100	$ 0.1950