INTANGIBLE ASSETS AND GOODWILL (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Finite-lived intangible assets
Gross Carrying Amount	$ 381,260		$ 381,260		$ 362,663
Accumulated Amortization	(188,772)		(188,772)		(162,512)
Net Carrying Amount	192,488		192,488		200,151
Amortization	7,837	8,381	24,192	25,286
Annual estimated amortization expense for intangible assets
2012			7,962
2013			31,547
2014			31,460
2015			28,643
2016			25,977
2017			22,228
Thereafter			44,671
Total			192,488
Goodwill:
Balance at December 31, 2011			504,784
Acquisition			4,462
Currency translation adjustments			8,475
Balance at September 30, 2012	517,721		517,721
Supply and distribution agreements [Member]
Finite-lived intangible assets
Gross Carrying Amount	264,407		264,407		260,288
Accumulated Amortization	(114,818)		(114,818)		(97,114)
Net Carrying Amount	149,589		149,589		163,174
Amortization period - minimum (in years)			10
Amortization period - maximum (in years)			13
Weighted Average Useful Life (in years)			12
Technology [Member]
Finite-lived intangible assets
Gross Carrying Amount	22,899		22,899		22,982
Accumulated Amortization	(22,769)		(22,769)		(22,708)
Net Carrying Amount	130		130		274
Amortization period (in years)			3
Weighted Average Useful Life (in years)			3
Patents [Member]
Finite-lived intangible assets
Gross Carrying Amount	1,638		1,638		1,638
Accumulated Amortization	(1,434)		(1,434)		(1,399)
Net Carrying Amount	204		204		239
Amortization period (in years)			15
Weighted Average Useful Life (in years)			15
Customer lists [Member]
Finite-lived intangible assets
Gross Carrying Amount	20,168		20,168		19,923
Accumulated Amortization	(20,168)		(20,168)		(19,150)
Net Carrying Amount	0		0		773
Amortization period (in years)			2
Weighted Average Useful Life (in years)			2
Internet domain names [Member]
Finite-lived intangible assets
Gross Carrying Amount	18,637		18,637		5,215
Accumulated Amortization	(2,774)		(2,774)		(625)
Net Carrying Amount	15,863		15,863		4,590
Amortization period - minimum (in years)			2
Amortization period - maximum (in years)			20
Weighted Average Useful Life (in years)			7
Trade names [Member]
Finite-lived intangible assets
Gross Carrying Amount	53,185		53,185		52,272
Accumulated Amortization	(26,488)		(26,488)		(21,192)
Net Carrying Amount	26,697		26,697		31,080
Amortization period - minimum (in years)			5
Amortization period - maximum (in years)			20
Weighted Average Useful Life (in years)			11
Other [Member]
Finite-lived intangible assets
Gross Carrying Amount	326		326		345
Accumulated Amortization	(321)		(321)		(324)
Net Carrying Amount	$ 5		$ 5		$ 21
Amortization period - minimum (in years)			3
Amortization period - maximum (in years)			10
Weighted Average Useful Life (in years)			4