Accounts Receivable - Revenue Reserve (Details) - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
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	809,374	674,119
Credits issued during the period	(828,596)	(690,624)
Balance at the end of the period	282,930	203,879
Chargebacks
Change in revenue related reserves
Balance at the beginning of the period	153,034	79,537
Current period provision	612,560	474,882
Credits issued during the period	(637,492)	(499,959)
Balance at the end of the period	128,102	54,460
Rebates
Change in revenue related reserves
Balance at the beginning of the period	82,502	87,616
Current period provision	143,578	156,073
Credits issued during the period	(147,023)	(157,071)
Balance at the end of the period	79,057	86,618
Returns
Change in revenue related reserves
Balance at the beginning of the period	43,059	42,135
Current period provision	18,662	14,541
Credits issued during the period	(12,213)	(11,881)
Balance at the end of the period	49,508	44,795
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	34,574	28,623
Credits issued during the period	(31,868)	(21,713)
Balance at the end of the period	$ 26,263	$ 18,006