Accounts Receivable Discount Programs (Details) - USD ($)	9 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Accounts Receivable Discount Programs [Abstract]
Receivables discounted	$ 341,339,000	$ 287,206,000
Weighted average days	347 days	340 days
Annualized weighted average discount rate	3.50%	4.20%
Amount of discount recognized as interest expense	$ 11,570,000	$ 11,377,000