Accounts Receivable (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013	Jun. 30, 2013
Accounts receivable
Gross accounts receivable	$ 99,853		$ 99,853		$ 43,923
Less: reserve	(40,600)		(40,600)		(17,500)
Less: Allowance for doubtful accounts	(70)		(70)		(41)
Accounts receivable, net	59,236		59,236		26,413
Chargebacks
Accounts receivable
Less: reserve	(19,712)		(19,712)		(7,267)
Provision for rebates, chargebacks, returns and other deductions	33,300	14,800	78,500	51,500
Rebates
Accounts receivable
Less: reserve	(9,720)		(9,720)		(2,513)
Provision for rebates, chargebacks, returns and other deductions	20,500	5,500	40,500	17,600
Returns
Accounts receivable
Less: reserve	(9,223)		(9,223)		(6,689)
Provision for rebates, chargebacks, returns and other deductions	2,300	907	5,500	3,400
Other
Accounts receivable
Less: reserve	(1,892)		(1,892)		(1,000)
Provision for rebates, chargebacks, returns and other deductions	$ 1,100	$ 3,600	$ 18,800	$ 9,300