Accounts Receivable, net - Revenue reserve information (Details)	3 Months Ended		6 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Chargebacks
Accounts receivable, net
Percentage of provision for rebates, chargebacks, returns and other adjustments on gross sales	49.30%	47.20%	50.50%	49.30%
Rebates
Accounts receivable, net
Percentage of provision for rebates, chargebacks, returns and other adjustments on gross sales	11.20%	13.80%	10.30%	14.10%
Returns
Accounts receivable, net
Percentage of provision for rebates, chargebacks, returns and other adjustments on gross sales	1.30%	1.50%	1.40%	1.20%
Other
Accounts receivable, net
Percentage of provision for rebates, chargebacks, returns and other adjustments on gross sales	5.40%	6.80%	4.90%	5.00%