Annual report pursuant to Section 13 and 15(d)

Organization and Significant Accounting Policies - Shipping and Handling (Details)

v3.20.1
Organization and Significant Accounting Policies - Shipping and Handling (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2018
Revenue from External Customer [Line Items]      
Cost of sales $ 840,066 $ 924,276 $ 860,744
Shipping and Handling      
Revenue from External Customer [Line Items]      
Cost of sales $ 27,500 $ 31,000 $ 21,400