Accounts Receivable (Details) (USD $)	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Accounts receivable
Gross accounts receivable	$ 113,420,000	$ 43,923,000
Less: reserve	(51,900,000)	(17,500,000)
Less: Allowance for doubtful accounts	(115,000)	(41,000)
Account receivable, net	61,325,000	26,413,000
Chargebacks
Accounts receivable
Less: reserve	(30,320,000)	(7,267,000)
Provision for rebates, chargebacks, returns and other deductions	144,600,000	67,900,000	68,400,000
Rebates
Accounts receivable
Less: reserve	(10,532,000)	(2,513,000)
Provision for rebates, chargebacks, returns and other deductions	56,300,000	23,700,000	21,200,000
Returns
Accounts receivable
Less: reserve	(9,341,000)	(6,689,000)
Provision for rebates, chargebacks, returns and other deductions	6,600,000	4,500,000	4,700,000
Other
Accounts receivable
Less: reserve	(1,787,000)	(1,000,000)
Provision for rebates, chargebacks, returns and other deductions	$ 21,500,000	$ 10,200,000	$ 6,800,000