Accounts Receivable (Details) (USD $)	3 Months Ended		9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014	Jun. 30, 2014
Accounts receivable
Accounts receivable, net	$ 79,715,000		$ 79,715,000		$ 61,325,000
Gross accounts receivable	141,497,000		141,497,000		113,420,000
Less: reserve	(61,600,000)		(61,600,000)		(51,900,000)
Less: Allowance for doubtful accounts	(149,000)		(149,000)		(115,000)
Chargebacks
Accounts receivable
Less: reserve	(32,061,000)		(32,061,000)		(30,320,000)
Provision for rebates, chargebacks, returns and other deductions	74,300,000	33,300,000	252,300,000	78,500,000
Rebates
Accounts receivable
Less: reserve	(9,321,000)		(9,321,000)		(10,532,000)
Provision for rebates, chargebacks, returns and other deductions	18,400,000	20,500,000	58,200,000	40,500,000
Returns
Accounts receivable
Less: reserve	(18,490,000)		(18,490,000)		(9,341,000)
Provision for rebates, chargebacks, returns and other deductions	5,900,000	2,300,000	14,200,000	5,500,000
Other
Accounts receivable
Less: reserve	(1,761,000)		(1,761,000)		(1,787,000)
Provision for rebates, chargebacks, returns and other deductions	$ 7,800,000	$ 1,100,000	$ 22,900,000	$ 18,800,000