Accounts Receivable, net - Revenue reserve information (Details)	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Chargebacks
Accounts receivable, net
Percentage of provision for rebates, chargebacks, returns and other adjustments on gross sales	46.10%	45.10%	49.20%	47.80%
Rebates
Accounts receivable, net
Percentage of provision for rebates, chargebacks, returns and other adjustments on gross sales	9.20%	14.30%	10.00%	14.20%
Returns
Accounts receivable, net
Percentage of provision for rebates, chargebacks, returns and other adjustments on gross sales	1.30%	1.40%	1.40%	1.30%
Other
Accounts receivable, net
Percentage of provision for rebates, chargebacks, returns and other adjustments on gross sales	6.30%	8.00%	5.30%	6.10%