Securitized Receivables - Narrative (Details)	3 Months Ended		12 Months Ended
	Jun. 30, 2020 USD ($) program	Jun. 30, 2019 USD ($)	Mar. 31, 2020 USD ($)
Derecognized Assets, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Number of accounts receivable securitization programs | program	3
Receivables sold, face value discounted (as a percent)	100.00%
Reductions of trade and other receivables due to settlements	$ (5,663,000)	$ 6,348,000	$ (9,586,000)
Accounts Receivable Securitization, Program Two
Derecognized Assets, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Trade receivables, maximum amount	$ 125,000,000