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Long-Term Debt - Additional Information (Detail)
3 Months Ended 9 Months Ended
Sep. 10, 2015
USD ($)
$ / shares
Jul. 31, 2015
USD ($)
Jun. 26, 2014
USD ($)
Aug. 31, 2014
USD ($)
Aug. 31, 2015
USD ($)
Trading_day
Aug. 31, 2014
USD ($)
Nov. 30, 2014
USD ($)
Aug. 26, 2011
USD ($)
Debt Instrument [Line Items]                
Revolving credit facility               $ 950,000,000.0
Borrowed unsecured credit facility-JBL               $ 250,000,000.0
Amended and restated credit facility period     3 years          
Line of credit reduced borrowing capacity   $ 750,000,000 $ 750,000,000          
Leucadia [Member] | Subsequent event [Member]                
Debt Instrument [Line Items]                
Debenture principal amount $ 1,000              
Debt instrument convertible conversion ratio 22.3764              
Conversion price of common stock (dollars per share) | $ / shares $ 44.69              
3.875% Convertible Senior Debentures due 2029 [Member]                
Debt Instrument [Line Items]                
Senior long-term debt, interest rate         3.875%      
Convertible Senior debentures includes fair value         $ 100,000   $ 700,000  
Consolidated Statement of Earnings gain (loss) amount       $ 2,400,000   $ 8,100,000    
Issuance of senior unsecured long-term debt         $ 345,000,000.0      
3.875% Convertible Senior Debentures due 2029 [Member] | Leucadia [Member]                
Debt Instrument [Line Items]                
Senior long-term debt, interest rate         3.875%      
Debt instrument convertible conversion ratio (greater than)         130.00%      
Earliest period of conversion price | Trading_day         20      
Latest period of conversion price         30 days      
Less than trading price per debenture related to common stock         95.00%      
Consecutive trading days         10 days      
Contingent interest         0.375%      
Threshold trading days         5 days      
Interest period         6 months      
Trading price of contingent interest         $ 1,200