XML 39 R47.htm IDEA: XBRL DOCUMENT v3.19.3
Financing Arrangements - Narrative (Details) - USD ($)
Sep. 30, 2019
Mar. 31, 2019
Financing Arrangements    
Outstanding borrowings $ 0 $ 0
Line of Credit    
Financing Arrangements    
Maximum borrowing capacity 77,500,000  
Outstanding bank guarantees $ 20,600,000