XML 45 R40.htm IDEA: XBRL DOCUMENT v3.19.3
Other Investments (Summary of Other Investments) (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Mar. 31, 2019
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Amortized Costs  
Debt Securities, Unrealized Gains  
Debt Securities, Unrealized Losses  
Debt Securities, Fair Value  
Forward Purchase Contracts, Amortized Costs  
Forward Purchase Contracts, Unrealized Gains  
Forward Purchase Contracts, Unrealized Losses  
Forward Purchase Contracts, Fair Value  
Fair Value $ 274,391
Current Assets [Member]    
Debt Securities, Available-for-sale [Line Items]    
Fair Value 15,154
Other Investments [Member]    
Debt Securities, Available-for-sale [Line Items]    
Fair Value 259,237
Significant Other Observable Inputs (Level 2)    
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Amortized Costs 42,326  
Debt Securities, Unrealized Gains 1,571  
Debt Securities, Fair Value 43,897  
Forward Purchase Contracts, Amortized Costs 232,929  
Forward Purchase Contracts, Unrealized Losses (2,435)  
Forward Purchase Contracts, Fair Value $ 230,494