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Short-Term Borrowings (Details) - USD ($)
3 Months Ended
Feb. 29, 2020
Nov. 30, 2019
Dec. 27, 2018
Short-term Debt [Line Items]      
Short-term borrowings $ 623,156,000 $ 548,490,000  
Interest rate on short-term borrowings outstanding 3.23%    
Equity-linked notes      
Short-term Debt [Line Items]      
Short-term borrowings $ 20,164,000 20,981,000  
Intraday Credit Facility | Revolving Credit Facility      
Short-term Debt [Line Items]      
Credit facility maximum borrowing capacity $ 150,000,000.0    
Debt instrument interest rate 0.12%    
Intraday Credit Facility | Revolving Credit Facility | Base Rate      
Short-term Debt [Line Items]      
Basis spread on variable rate 3.00%    
Intraday Credit Facility | Revolving Credit Facility | Federal Funds Effective Rate      
Short-term Debt [Line Items]      
Basis spread on variable rate 0.50%    
Bank loans      
Short-term Debt [Line Items]      
Short-term borrowings $ 602,992,000 $ 527,509,000  
JPMORGAN CHASE BANK N.A. | Line of Credit [Member]      
Short-term Debt [Line Items]      
Credit facility maximum borrowing capacity     $ 296,000,000.0