GOODWILL AND OTHER INTANGIBLE ASSETS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Goodwill [Roll Forward]
Goodwill, beginning of period			$ 32,159
Goodwill, Translation Adjustments			(1,672)
Goodwill, end of period	30,487		30,487
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	142,387		142,387		144,396
Finite-Lived Intangible Assets, Accumulated Amortization	(35,133)		(35,133)		(31,852)
Finite-Lived Intangible Assets, Net, Total	107,254		107,254		112,544
Amortization of Intangible Assets	1,677	1,754	3,410	3,317
Goodwill [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	30,487		30,487		32,159
Finite-Lived Intangible Assets, Accumulated Amortization	0		0		0
Finite-Lived Intangible Assets, Net, Total	30,487		30,487		32,159
Product Licensing Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	93,634		93,634		93,534
Finite-Lived Intangible Assets, Accumulated Amortization	(32,414)		(32,414)		(29,880)
Finite-Lived Intangible Assets, Net, Total	61,220		61,220		63,654
Weighted average remaining amortization period			13 years 4 months 24 days	13 years 9 months 18 days
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	9,500		9,500		9,500
Finite-Lived Intangible Assets, Accumulated Amortization	(686)		(686)		(528)
Finite-Lived Intangible Assets, Net, Total	8,814		8,814		8,972
Weighted average remaining amortization period			27 years 9 months 18 days	28 years 3 months 18 days
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	6,249		6,249		6,460
Finite-Lived Intangible Assets, Accumulated Amortization	(1,192)		(1,192)		(865)
Finite-Lived Intangible Assets, Net, Total	5,057		5,057		5,595
Weighted average remaining amortization period			9 years 8 months 12 days	9 years 9 months 18 days
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	2,517		2,517		2,743
Finite-Lived Intangible Assets, Accumulated Amortization	(841)		(841)		(579)
Finite-Lived Intangible Assets, Net, Total	1,676		1,676		2,164
Weighted average remaining amortization period			2 years 8 months 12 days	3 years 2 months 12 days
Ophthalmic [Member]
Goodwill [Roll Forward]
Goodwill, beginning of period			11,863
Goodwill, Translation Adjustments			0
Goodwill, end of period	11,863		11,863
Contract Services [Member]
Goodwill [Roll Forward]
Goodwill, beginning of period			20,296
Goodwill, Translation Adjustments			(1,672)
Goodwill, end of period	$ 18,624		$ 18,624