Accounts Receivable, net - Revenue reserve (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Accounts receivable, net
Balance at the beginning of the period			$ 182,941	$ 241,523
Current period provision			504,754	575,967
Credits issued during the period			(484,792)	(591,564)
Balance at the end of the period	$ 202,903	$ 225,926	202,903	225,926
Chargebacks
Accounts receivable, net
Balance at the beginning of the period			61,877	89,567
Current period provision	191,500	199,600	379,821	407,523
Credits issued during the period			(360,242)	(427,293)
Balance at the end of the period	81,456	69,797	81,456	69,797
Rebates
Accounts receivable, net
Balance at the beginning of the period			62,711	78,274
Current period provision	43,400	58,300	77,657	116,803
Credits issued during the period			(77,536)	(119,701)
Balance at the end of the period	62,832	75,376	62,832	75,376
Returns
Accounts receivable, net
Balance at the beginning of the period			40,796	55,554
Current period provision	5,200	6,500	10,652	10,217
Credits issued during the period			(12,181)	(11,120)
Balance at the end of the period	39,267	54,651	39,267	54,651
Other
Accounts receivable, net
Balance at the beginning of the period			17,557	18,128
Current period provision	20,800	28,700	36,624	41,424
Credits issued during the period			(34,833)	(33,450)
Balance at the end of the period	$ 19,348	$ 26,102	$ 19,348	$ 26,102