BUSINESS COMBINATIONS (Details) (USD $)	3 Months Ended	0 Months Ended	12 Months Ended	0 Months Ended
	Mar. 31, 2015	Dec. 17, 2013	Dec. 31, 2014	Jul. 29, 2013	Jun. 21, 2012
Purchase price consideration
Cash for acquired entity, related property, inventories and other assets	$ 500,000,000
CAMBIA
Purchase price consideration
Cash for acquired entity, related property, inventories and other assets		48,700,000
Contingent consideration payable		10,000,000
Estimated fair value of the assets acquired		49,700,000
Fair Value of contingent consideration	1,300,000	1,000,000	1,200,000
Accumulated amortization of intangible assets	6,700,000		5,300,000
Lazanda
Purchase price consideration
Cash for acquired entity, related property, inventories and other assets				4,000,000
Contingent consideration payable				15,000,000
Estimated fair value of the assets acquired				12,000,000
Fair Value of contingent consideration	11,600,000		11,200,000	8,000,000
Accumulated amortization of intangible assets	1,900,000		1,600,000
Zipsor
Purchase price consideration
Cash for acquired entity, related property, inventories and other assets					26,400,000
Contingent consideration payable					5,000,000
Estimated fair value of the assets acquired					27,700,000
Fair Value of contingent consideration	1,800,000		1,800,000		1,300,000
Accumulated amortization of intangible assets	$ 10,700,000		$ 9,700,000