v3.6.0.2
Business Acquisitions, Investments and Redeemable Noncontrolling Interests (Pro Forma Results) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 03, 2016
Aug. 27, 2016
May 28, 2016
Feb. 27, 2016
Nov. 28, 2015
Aug. 29, 2015
May 30, 2015
Feb. 28, 2015
Dec. 03, 2016
Nov. 28, 2015
Nov. 29, 2014
Business Acquisition [Line Items]                      
Net sales $ 376,947 $ 331,387 $ 364,968 $ 316,272 $ 372,547 $ 357,557 $ 399,799 $ 351,123 $ 1,389,573 $ 1,481,026 $ 1,512,854
Net sales, pro forma                     1,575,113
Operating profit 124,736 114,401 121,861 100,901 122,289 119,755 133,610 112,975 461,899 488,629 497,035
Operating profit, pro forma                     236,919
Net earnings attributable to CLARCOR Inc. $ 29,000 $ 35,749 $ 53,354 $ 21,163 $ 33,053 $ 36,445 $ 38,497 $ 26,709 $ 139,266 $ 134,704 144,084
Net earnings, pro forma                     $ 161,120
Diluted earnings per share (in dollars per share) $ 0.59 $ 0.73 $ 1.09 $ 0.43 $ 0.67 $ 0.72 $ 0.76 $ 0.53 $ 2.84 $ 2.67 $ 2.83
Diluted earnings per share, pro forma (in dollars per share)                     $ 3.17
Engine Mobile Filtration [Member]                      
Business Acquisition [Line Items]                      
Net sales attributable to CLARCOR                     $ 46,837
Operating profit attributable to CLARCOR [1]                     17,677
Net earnings attributable to CLARCOR                     $ 10,485
Diluted earnings per share, attributable to CLARCOR (in dollars per share)                     $ 0.21
Transaction costs removal, amount                     $ 3,035
Cost of inventory step up                     1,368
Industrial Environmental Filtration [Member]                      
Business Acquisition [Line Items]                      
Net sales attributable to CLARCOR                     15,422
Operating profit attributable to CLARCOR [2]                     8,814
Net earnings attributable to CLARCOR                     $ 6,551
Diluted earnings per share, attributable to CLARCOR (in dollars per share)                     $ 0.13
Transaction costs removal, amount                     $ 2,089
Cost of inventory step up                     4,342
As Reported [Member]                      
Business Acquisition [Line Items]                      
Net sales                     1,512,854
Operating profit                     210,428
Net earnings attributable to CLARCOR Inc.                     $ 144,084
Diluted earnings per share (in dollars per share)                     $ 2.83
[1] Includes adjustments to remove transaction costs of $3,035 and cost of sales related to the step-up of inventory to its estimated acquisition-date fair value of $1,368, which have been pushed back to the twelve months ended November 30, 2013 for pro forma presentation. Also includes adjustments to intangible asset amortization, depreciation expense and interest expense.
[2] Includes adjustments to remove transaction costs of $2,089 and cost of sales related to the step-up of inventory to its estimated acquisition-date fair value of $4,342, which have been pushed back to the twelve months ended November 30, 2013 for pro forma presentation. Also includes adjustments to intangible asset amortization, depreciation expense and interest expense.