Consolidated Statements of Shareholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock [Member]	Capital in Excess of Par Value [Member]	Accumulated Other Comprehensive Earnings (Loss) [Member]	Retained Earnings [Member]	CLARCOR Inc. [Member]	Non-redeemable noncontrolling interests [Member]	Stock Options [Member]	Stock Options [Member] Capital in Excess of Par Value [Member]	Stock Options [Member] CLARCOR Inc. [Member]	Restricted Stock [Member]	Restricted Stock [Member] Capital in Excess of Par Value [Member]	Restricted Stock [Member] CLARCOR Inc. [Member]
Stockholders' equity, including portion attributable to noncontrolling interest, beginning of period at Dec. 03, 2011	$ 835,558	$ 50,145	$ 19,453	$ (44,391)	$ 809,520	$ 834,727	$ 831
Common stock, shares outstanding, beginning of period at Dec. 03, 2011		50,144,928
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (excludes redeemable noncontrolling interests)	123,101				122,986	122,986	115
Other comprehensive earnings (loss) (excludes redeemable noncontrolling interests)	(7,277)			(7,317)		(7,317)	40
Stock options exercised, shares		248,374						353,793
Stock options exercised, value	3,682	248	3,434			3,682
Tax benefit								2,007	2,007	2,007
Issuance and expense of stock under award plans, shares		52,316
Issuance and expense of stock under award plans, value	1,868	53	1,815			1,868
Purchase and retire stock, shares	(792,881)	(792,881)
Purchase and retire stock, value	(37,320)	(793)	(31,516)		(5,011)	(37,320)
Stock option expense, value	4,997		4,997			4,997
Other	125		(190)		315	125
Cash dividends	(24,911)				(24,911)	(24,911)
Stockholders' equity, including portion attributable to noncontrolling interest, end of period at Dec. 01, 2012	901,830	49,653	0	(51,708)	902,899	900,844	986
Common stock, shares outstanding, end of period at Dec. 01, 2012		49,652,737
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (excludes redeemable noncontrolling interests)	118,333				118,076	118,076	257
Other comprehensive earnings (loss) (excludes redeemable noncontrolling interests)	21,882			21,894		21,894	(12)
Stock options exercised, shares		1,128,310						1,191,752
Stock options exercised, value	32,800	1,128	31,672			32,800
Tax benefit								7,231	7,231	7,231	1,280	1,280	1,280
Issuance and expense of stock under award plans, shares		123,594
Issuance and expense of stock under award plans, value	2,963	124	2,839			2,963
Purchase and retire stock, shares	(534,100)	(534,100)
Purchase and retire stock, value	(27,708)	(534)	(23,956)		(3,218)	(27,708)
Stock option expense, value	3,212		3,212			3,212
Cash dividends	(28,950)				(28,744)	(28,744)	(206)
Stockholders' equity, including portion attributable to noncontrolling interest, end of period at Nov. 30, 2013	1,032,873	50,371	22,278	(29,814)	989,013	1,031,848	1,025
Common stock, shares outstanding, end of period at Nov. 30, 2013		50,370,541
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (excludes redeemable noncontrolling interests)	144,317				144,084	144,084	233
Other comprehensive earnings (loss) (excludes redeemable noncontrolling interests)	(24,315)			(24,266)		(24,266)	(49)
Stock options exercised, shares		322,473						322,473
Stock options exercised, value	10,738	322	10,416			10,738
Tax benefit								2,668	2,668	2,668	101	101	101
Issuance and expense of stock under award plans, shares		47,186
Issuance and expense of stock under award plans, value	2,488	47	2,441			2,488
Purchase and retire stock, shares	(535,703)	(535,703)
Purchase and retire stock, value	(32,822)	(536)	(32,286)			(32,822)
Stock option expense, value	5,026		5,026			5,026
Cash dividends	(35,971)				(35,805)	(35,805)	(166)
Stockholders' equity, including portion attributable to noncontrolling interest, end of period at Nov. 29, 2014	$ 1,105,103	$ 50,204	$ 10,644	$ (54,080)	$ 1,097,292	$ 1,104,060	$ 1,043
Common stock, shares outstanding, end of period at Nov. 29, 2014		50,204,497