Accounts Receivable (Details) (USD $)	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Accounts receivable
Gross accounts receivable	$ 43,923,000	$ 43,042,000
Less: reserve	(17,500,000)	(16,300,000)
Less: Allowance for doubtful accounts	(41,000)	(124,000)
Account receivable, net	26,413,000	26,586,000
Chargebacks
Accounts receivable
Less: reserve	(7,267,000)	(7,063,000)
Provision for rebates, chargebacks, returns and other deductions	67,900,000	68,400,000	53,700,000
Rebates
Accounts receivable
Less: reserve	(2,513,000)	(3,024,000)
Provision for rebates, chargebacks, returns and other deductions	23,700,000	21,200,000	17,000,000
Returns
Accounts receivable
Less: reserve	(6,689,000)	(5,540,000)
Provision for rebates, chargebacks, returns and other deductions	4,500,000	4,700,000	6,700,000
Other
Accounts receivable
Less: reserve	(1,000,000)	(705,000)
Provision for rebates, chargebacks, returns and other deductions	$ 10,200,000	$ 6,800,000	$ 7,800,000