XML 31 R41.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Other Investments (Summary of Other Investments) (Details) - USD ($)
$ in Thousands
Dec. 31, 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 $ 344,943
Current Assets [Member]    
Debt Securities, Available-for-sale [Line Items]    
Fair Value 15,362
Other Investments [Member]    
Debt Securities, Available-for-sale [Line Items]    
Fair Value 329,581
Significant Other Observable Inputs (Level 2)    
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Amortized Costs 38,614  
Debt Securities, Unrealized Gains 1,751  
Debt Securities, Unrealized Losses  
Debt Securities, Fair Value 40,365  
Forward Purchase Contracts, Amortized Costs 232,929  
Forward Purchase Contracts, Unrealized Gains 71,649  
Forward Purchase Contracts, Unrealized Losses  
Forward Purchase Contracts, Fair Value $ 304,578