Accounts Receivable (Details) (USD $)	3 Months Ended		6 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Jun. 30, 2014
Accounts receivable
Accounts receivable, net	$ 90,645,000		$ 90,645,000		$ 61,325,000
Gross accounts receivable	164,974,000		164,974,000		113,420,000
Less: reserve	(74,200,000)		(74,200,000)		(51,900,000)
Less: Allowance for doubtful accounts	(148,000)		(148,000)		(115,000)
Chargebacks
Accounts receivable
Less: reserve	(47,124,000)		(47,124,000)		(30,320,000)
Provision for rebates, chargebacks, returns and other deductions	100,100,000	27,500,000	178,000,000	45,200,000
Rebates
Accounts receivable
Less: reserve	(10,329,000)		(10,329,000)		(10,532,000)
Provision for rebates, chargebacks, returns and other deductions	21,200,000	12,500,000	39,800,000	20,000,000
Returns
Accounts receivable
Less: reserve	(14,292,000)		(14,292,000)		(9,341,000)
Provision for rebates, chargebacks, returns and other deductions	4,200,000	2,000,000	8,300,000	3,200,000
Other
Accounts receivable
Less: reserve	(2,436,000)		(2,436,000)		(1,787,000)
Provision for rebates, chargebacks, returns and other deductions	$ 6,100,000	$ 13,800,000	$ 15,100,000	$ 17,700,000