Annual report pursuant to Section 13 and 15(d)

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

v3.19.1
Organization and Significant Accounting Policies - Shipping and Handling (Details) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2017
Accounting Policies [Abstract]      
Shipping and handling costs $ 31.0 $ 21.4 $ 16.4