Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	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]
Common stock, shares outstanding, beginning of period (in shares) at Dec. 01, 2012		49,652,737
Stockholders' equity, including portion attributable to noncontrolling interest, beginning of period at Dec. 01, 2012	$ 901,830	$ 49,653	$ 0	$ (51,708)	$ 902,899	$ 900,844	$ 986
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 (in shares)		1,128,310						1,191,752
Stock options exercised	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 (in shares)		123,594
Issuance and expense of stock under award plans	$ 2,963	$ 124	2,839			2,963
Purchase and retire stock (in shares)	(534,100)	(534,100)
Purchase and retire stock	$ (27,708)	$ (534)	(23,956)		(3,218)	(27,708)
Stock option expense	3,212		3,212			3,212
Cash dividends	(28,950)				(28,744)	(28,744)	(206)
Common stock, shares outstanding, end of period (in shares) at Nov. 30, 2013		50,370,541
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
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 (in shares)		322,473						322,473
Stock options exercised	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 (in shares)		47,186
Issuance and expense of stock under award plans	$ 2,488	$ 47	2,441			2,488
Purchase and retire stock (in shares)	(535,703)	(535,703)
Purchase and retire stock	$ (32,822)	$ (536)	(32,286)		0	(32,822)
Stock option expense	5,026		5,026			5,026
Cash dividends	(35,971)				(35,805)	(35,805)	(166)
Common stock, shares outstanding, end of period (in shares) at Nov. 29, 2014		50,204,497
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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (excludes redeemable noncontrolling interests)	134,932				134,704	134,704	228
Other comprehensive earnings (loss) (excludes redeemable noncontrolling interests)	(34,141)			(33,972)		(33,972)	(169)
Stock options exercised (in shares)		176,103						179,071
Stock options exercised	6,608	$ 176	6,432			6,608
Tax benefit								$ 1,032	$ 1,032	$ 1,032	$ 215	$ 215	$ 215
Issuance and expense of stock under award plans (in shares)		62,239
Issuance and expense of stock under award plans	$ 3,209	$ 62	3,147			3,209
Purchase and retire stock (in shares)	(1,331,941)	(1,331,941)
Purchase and retire stock	$ (70,777)	$ (1,331)	(26,845)		(42,601)	(70,777)
Stock option expense	5,375		5,375			5,375
Other	87				87	87
Cash dividends	(41,178)				(40,972)	(40,972)	(206)
Common stock, shares outstanding, end of period (in shares) at Nov. 28, 2015		49,110,898
Stockholders' equity, including portion attributable to noncontrolling interest, end of period at Nov. 28, 2015	$ 1,110,465	$ 49,111	$ 0	$ (88,052)	$ 1,148,510	$ 1,109,569	$ 896