Consolidated Statement of Earnings - USD ($) $ in Thousands	12 Months Ended
	Dec. 03, 2016	Nov. 28, 2015	Nov. 29, 2014
Income Statement [Abstract]
Net sales	$ 1,389,573	$ 1,481,026	$ 1,512,854
Cost of sales	927,674	992,397	1,015,819
Gross profit	461,899	488,629	497,035
Selling and administrative expenses	281,011	290,682	286,607
Operating profit	180,888	197,947	210,428
Other income (expense):
Interest expense	(7,538)	(5,629)	(3,700)
Interest income	551	443	420
Other, net	27,705	5,204	4,415
Total other income (expense)	20,718	18	1,135
Earnings before income taxes	201,606	197,965	211,563
Provision for income taxes	62,216	63,052	67,380
Net earnings	139,390	134,913	144,183
Net earnings attributable to noncontrolling interests, net of tax	(124)	(209)	(99)
Net earnings attributable to CLARCOR Inc.	$ 139,266	$ 134,704	$ 144,084
Net earnings per common share attributable to CLARCOR Inc. - Basic (in dollars per share)	$ 2.86	$ 2.70	$ 2.86
Net earnings per common share attributable to CLARCOR Inc. - Diluted (in dollars per share)	$ 2.84	$ 2.67	$ 2.83
Weighted average number of shares outstanding - Basic (in shares)	48,690,560	49,981,118	50,405,549
Weighted average number of shares outstanding - Diluted (in shares)	49,059,758	50,429,454	50,871,249