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Note 10 - Pension and Postretirement Benefits - Expected Cash Flows for Employer Contributions and Expected Benefit Payments (Details)
$ in Thousands
Dec. 02, 2017
USD ($)
Pension Plan [Member] | UNITED STATES  
Employer contributions  
Employer contributions for the next fiscal year $ 312
Expected benefit payments  
Expected benefit payments in the next fiscal year 20,111
Expected benefit payments in two fiscal years 20,334
Expected benefit payments in three fiscal years 20,745
Expected benefit payments in four fiscal years 21,131
Expected benefit payments in five fiscal years 21,481
Expected benefit payments in five fiscal years and thereafter 110,397
Pension Plan [Member] | Foreign Plan [Member]  
Employer contributions  
Employer contributions for the next fiscal year 527
Expected benefit payments  
Expected benefit payments in the next fiscal year 8,478
Expected benefit payments in two fiscal years 8,920
Expected benefit payments in three fiscal years 8,654
Expected benefit payments in four fiscal years 9,084
Expected benefit payments in five fiscal years 9,269
Expected benefit payments in five fiscal years and thereafter 47,947
Other Postretirement Benefits Plan [Member]  
Employer contributions  
Employer contributions for the next fiscal year 2,000
Expected benefit payments  
Expected benefit payments in the next fiscal year 3,207
Expected benefit payments in two fiscal years 3,198
Expected benefit payments in three fiscal years 3,173
Expected benefit payments in four fiscal years 3,148
Expected benefit payments in five fiscal years 3,109
Expected benefit payments in five fiscal years and thereafter $ 14,494