Accounts Receivable - Revenue Reserve (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Change in revenue related reserves
Balance at the beginning of the period	$ 298,616	$ 220,384	$ 198,023
Current period provision	1,407,073	1,532,701	1,257,147
Adjustment related to adoption of ASC 606	3,536
Credits issued during the period	(1,467,702)	(1,454,469)	(1,249,070)
Balance at the end of the period	241,523	298,616	220,384
KUPI
Change in revenue related reserves
Additions related to the KUPI acquisition			14,284
Chargebacks
Change in revenue related reserves
Balance at the beginning of the period	153,034	79,537	86,495
Current period provision	1,047,192	1,141,995	881,283
Credits issued during the period	(1,110,659)	(1,068,498)	(888,241)
Balance at the end of the period	89,567	153,034	79,537
Rebates
Change in revenue related reserves
Balance at the beginning of the period	82,502	87,616	54,084
Current period provision	250,555	296,784	297,050
Credits issued during the period	(254,783)	(301,898)	(271,847)
Balance at the end of the period	78,274	82,502	87,616
Rebates | KUPI
Change in revenue related reserves
Additions related to the KUPI acquisition			8,329
Returns
Change in revenue related reserves
Balance at the beginning of the period	43,059	42,135	40,593
Current period provision	41,982	24,024	25,416
Credits issued during the period	(29,487)	(23,100)	(29,829)
Balance at the end of the period	55,554	43,059	42,135
Returns | KUPI
Change in revenue related reserves
Additions related to the KUPI acquisition			5,955
Other
Change in revenue related reserves
Balance at the beginning of the period	20,021	11,096	16,851
Current period provision	67,344	69,898	53,398
Adjustment related to adoption of ASC 606	3,536
Credits issued during the period	(72,773)	(60,973)	(59,153)
Balance at the end of the period	$ 18,128	$ 20,021	$ 11,096