Accounts Receivable - Revenue Reserve (Details) - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Change in revenue related reserves
Balance at the beginning of the period	$ 298,616	$ 220,384
Adjustment related to adoption of ASC 606	3,536
Current period provision	1,119,518	1,100,054
Credits issued during the period	(1,170,706)	(1,060,662)
Balance at the end of the period	250,964	259,776
Chargebacks
Change in revenue related reserves
Balance at the beginning of the period	153,034	79,537
Current period provision	834,270	797,964
Credits issued during the period	(887,777)	(764,055)
Balance at the end of the period	99,527	113,446
Rebates
Change in revenue related reserves
Balance at the beginning of the period	82,502	87,616
Current period provision	194,012	228,100
Credits issued during the period	(204,112)	(239,665)
Balance at the end of the period	72,402	76,051
Returns
Change in revenue related reserves
Balance at the beginning of the period	43,059	42,135
Current period provision	31,069	21,661
Credits issued during the period	(23,407)	(16,543)
Balance at the end of the period	50,721	47,253
Other
Change in revenue related reserves
Balance at the beginning of the period	20,021	11,096
Adjustment related to adoption of ASC 606	3,536
Current period provision	60,167	52,329
Credits issued during the period	(55,410)	(40,399)
Balance at the end of the period	$ 28,314	$ 23,026