ACCRUED LIABILITIES (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
ACCRUED LIABILITIES.
Product returns	$ 119,064	$ 110,642
Product rebates	121,106	79,704
Interest	97,779	41,800
Employee Costs	67,568	49,756
Professional fees	30,825	15,488
Restructuring costs	13,153	30,139
Royalties	9,590	14,594
Legal settlements	1,300	16,000
Unpaid cash consideration related to the Merger		13,281
DSUs		11,495
Other	66,552	59,215
Accrued liabilities	$ 526,937	$ 442,114