BASIS OF PRESENTATION AND ACCOUNTING POLICIES (Details 3) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Gross U.S. product revenues offset by provisions
Gross U.S. product revenues	$ 350,471,000	$ 277,999,000	$ 954,586,000	$ 796,217,000
Provisions offsetting U.S. product revenues:
Contractual adjustments	(21,443,000)	(13,249,000)	(63,262,000)	(43,281,000)
Governmental rebates	(37,145,000)	(21,154,000)	(93,724,000)	(56,589,000)
Total provisions offsetting product revenues	(58,588,000)	(34,403,000)	(156,986,000)	(99,870,000)
U.S. product revenues, net	291,883,000	243,596,000	797,600,000	696,347,000
Reversal of revenue reserves primarily related to Medicaid program		$ 6,000,000		$ 14,100,000