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Fair Value Measurements (Details 1) - Fair Value, Measurements, Recurring - USD ($)
$ in Thousands
May 31, 2019
Nov. 30, 2018
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Foreign Currency Contracts, Asset, Fair Value Disclosure $ 30,241 $ 44,259
Deferred Compensation Plan Assets 81,749 68,988
Assets, Fair Value Disclosure 3,190,946 2,973,645
Foreign Currency Contracts, Liability, Fair Value Disclosure 2,149 816
Interest Rate Derivative Liabilities, at Fair Value 2,964 9,744
Financial and Nonfinancial Liabilities, Fair Value Disclosure 5,113 10,560
Asset-backed securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Estimated Fair Value, short-term investments 61,124 41,508
Corporate debt securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Cash and Cash Equivalents, Fair Value Disclosure 144,555  
Estimated Fair Value, short-term investments 1,312,032 1,522,208
Foreign government securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Estimated Fair Value, short-term investments 2,393 4,155
Money market mutual funds    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Cash and Cash Equivalents, Fair Value Disclosure 1,474,933 1,234,188
Time deposits    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Cash and Cash Equivalents, Fair Value Disclosure 57,400 40,023
Municipal securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Cash and Cash Equivalents, Fair Value Disclosure 1,000  
Estimated Fair Value, short-term investments 20,520 18,316
US Government Agencies debt securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Cash and Cash Equivalents, Fair Value Disclosure 4,999  
Fair Value, Inputs, Level 1    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Foreign Currency Contracts, Asset, Fair Value Disclosure 0 0
Deferred Compensation Plan Assets 4,121 3,895
Assets, Fair Value Disclosure 1,536,454 1,278,106
Foreign Currency Contracts, Liability, Fair Value Disclosure 0 0
Interest Rate Derivative Liabilities, at Fair Value 0 0
Financial and Nonfinancial Liabilities, Fair Value Disclosure 0 0
Fair Value, Inputs, Level 1 | Asset-backed securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Estimated Fair Value, short-term investments 0 0
Fair Value, Inputs, Level 1 | Corporate debt securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Cash and Cash Equivalents, Fair Value Disclosure 0  
Estimated Fair Value, short-term investments 0 0
Fair Value, Inputs, Level 1 | Foreign government securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Estimated Fair Value, short-term investments 0 0
Fair Value, Inputs, Level 1 | Money market mutual funds    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Cash and Cash Equivalents, Fair Value Disclosure 1,474,933 1,234,188
Fair Value, Inputs, Level 1 | Time deposits    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Cash and Cash Equivalents, Fair Value Disclosure 57,400 40,023
Fair Value, Inputs, Level 1 | Municipal securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Cash and Cash Equivalents, Fair Value Disclosure 0  
Estimated Fair Value, short-term investments 0 0
Fair Value, Inputs, Level 1 | US Government Agencies debt securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Cash and Cash Equivalents, Fair Value Disclosure 0  
Fair Value, Inputs, Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Foreign Currency Contracts, Asset, Fair Value Disclosure 30,241 44,259
Deferred Compensation Plan Assets 77,628 65,093
Assets, Fair Value Disclosure 1,654,492 1,695,539
Foreign Currency Contracts, Liability, Fair Value Disclosure 2,149 816
Interest Rate Derivative Liabilities, at Fair Value 2,964 9,744
Financial and Nonfinancial Liabilities, Fair Value Disclosure 5,113 10,560
Fair Value, Inputs, Level 2 | Asset-backed securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Estimated Fair Value, short-term investments 61,124 41,508
Fair Value, Inputs, Level 2 | Corporate debt securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Cash and Cash Equivalents, Fair Value Disclosure 144,555  
Estimated Fair Value, short-term investments 1,312,032 1,522,208
Fair Value, Inputs, Level 2 | Foreign government securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Estimated Fair Value, short-term investments 2,393 4,155
Fair Value, Inputs, Level 2 | Money market mutual funds    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Cash and Cash Equivalents, Fair Value Disclosure 0 0
Fair Value, Inputs, Level 2 | Time deposits    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Cash and Cash Equivalents, Fair Value Disclosure 0 0
Fair Value, Inputs, Level 2 | Municipal securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Cash and Cash Equivalents, Fair Value Disclosure 1,000  
Estimated Fair Value, short-term investments 20,520 18,316
Fair Value, Inputs, Level 2 | US Government Agencies debt securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Cash and Cash Equivalents, Fair Value Disclosure 4,999  
Fair Value, Inputs, Level 3    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Foreign Currency Contracts, Asset, Fair Value Disclosure 0 0
Deferred Compensation Plan Assets 0 0
Assets, Fair Value Disclosure 0 0
Foreign Currency Contracts, Liability, Fair Value Disclosure 0 0
Interest Rate Derivative Liabilities, at Fair Value 0 0
Financial and Nonfinancial Liabilities, Fair Value Disclosure 0 0
Fair Value, Inputs, Level 3 | Asset-backed securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Estimated Fair Value, short-term investments 0 0
Fair Value, Inputs, Level 3 | Corporate debt securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Cash and Cash Equivalents, Fair Value Disclosure 0  
Estimated Fair Value, short-term investments 0 0
Fair Value, Inputs, Level 3 | Foreign government securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Estimated Fair Value, short-term investments 0 0
Fair Value, Inputs, Level 3 | Money market mutual funds    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Cash and Cash Equivalents, Fair Value Disclosure 0 0
Fair Value, Inputs, Level 3 | Time deposits    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Cash and Cash Equivalents, Fair Value Disclosure 0 0
Fair Value, Inputs, Level 3 | Municipal securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Cash and Cash Equivalents, Fair Value Disclosure 0  
Estimated Fair Value, short-term investments 0 $ 0
Fair Value, Inputs, Level 3 | US Government Agencies debt securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions    
Cash and Cash Equivalents, Fair Value Disclosure $ 0