Accounts Receivable, net - Revenue reserve (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Change in revenue related reserves
Balance at the beginning of the period			$ 241,523	$ 298,616
Current period provision			882,911	1,119,518
Adjustment related to adoption of ASC 606				3,536
Credits issued during the period			(896,103)	(1,170,706)
Balance at the end of the period	$ 228,331	$ 250,964	228,331	250,964
Chargebacks
Change in revenue related reserves
Balance at the beginning of the period			89,567	153,034
Current period provision	201,000	221,700	608,570	834,270
Credits issued during the period			(637,664)	(887,777)
Balance at the end of the period	60,473	99,527	60,473	99,527
Rebates
Change in revenue related reserves
Balance at the beginning of the period			78,274	82,502
Current period provision			180,574	194,012
Credits issued during the period			(181,465)	(204,112)
Balance at the end of the period	77,383	72,402	77,383	72,402
Returns
Change in revenue related reserves
Balance at the beginning of the period			55,554	43,059
Current period provision	6,400	12,400	16,600	31,069
Credits issued during the period			(24,466)	(23,407)
Balance at the end of the period	47,688	50,721	47,688	50,721
Other
Change in revenue related reserves
Balance at the beginning of the period			18,128	20,021
Current period provision	35,700	25,600	77,167	60,167
Adjustment related to adoption of ASC 606				3,536
Credits issued during the period			(52,508)	(55,410)
Balance at the end of the period	42,787	28,314	$ 42,787	28,314
Rebates
Change in revenue related reserves
Current period provision	$ 63,800	$ 50,400		$ 194,000