Earnings Per Share and Stock Repurchase Activity - Reconciliation of Numerators and Denominators (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	May 28, 2016	May 30, 2015	May 28, 2016	May 30, 2015
Earnings Per Share and Stock Repurchase Activity [Abstract]
Weighted average number of shares outstanding - Basic (in shares)	48,714,109	50,209,215	48,758,579	50,232,565
Dilutive effect of stock-based arrangements (in shares)	439,515	581,983	370,395	559,275
Weighted average number of shares outstanding - Diluted (in shares)	49,153,624	50,791,198	49,128,974	50,791,840
Net earnings attributable to CLARCOR Inc.	$ 53,354	$ 38,497	$ 74,517	$ 65,206
Net earnings per share attributable to CLARCOR Inc. - Basic (in dollars per share)	$ 1.10	$ 0.77	$ 1.53	$ 1.30
Net earnings per share attributable to CLARCOR Inc. - Diluted (in dollars per share)	$ 1.09	$ 0.76	$ 1.52	$ 1.28