Consolidated Statement of Earnings (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Nov. 29, 2014	Nov. 30, 2013	Dec. 01, 2012
Income Statement [Abstract]
Net sales	$ 1,512,854	$ 1,130,770	$ 1,121,765
Cost of sales	1,015,819	760,561	741,433
Gross profit	497,035	370,209	380,332
Selling and administrative expenses	286,607	195,593	197,618
Operating profit	210,428	174,616	182,714
Other income (expense):
Interest expense	(3,700)	(615)	(527)
Interest income	420	690	600
Other, net	4,415	(391)	210
Total other income (expense)	1,135	(316)	283
Earnings before income taxes	211,563	174,300	182,997
Provision for income taxes	67,380	55,950	59,657
Net earnings	144,183	118,350	123,340
Net earnings attributable to noncontrolling interests, net of tax	(99)	(274)	(354)
Net earnings attributable to CLARCOR Inc.	$ 144,084	$ 118,076	$ 122,986
Net earnings per common share attributable to CLARCOR Inc. - Basic (in dollars per share)	$ 2.86	$ 2.36	$ 2.45
Net earnings per common share attributable to CLARCOR Inc. - Diluted (in dollars per share)	$ 2.83	$ 2.34	$ 2.42
Weighted average number of shares outstanding - Basic (in shares)	50,405,549	49,988,577	50,285,480
Weighted average number of shares outstanding - Diluted (in shares)	50,871,249	50,538,947	50,882,191