INTANGIBLE ASSETS AND GOODWILL (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Finite-lived intangible assets
Gross Carrying Amount	$ 373,640		$ 373,640		$ 362,663
Accumulated Amortization	(177,603)		(177,603)		(162,512)
Net Carrying Amount	196,037		196,037		200,151
Amortization	8,198	8,592	16,355	16,905
Annual estimated amortization expense for intangible assets
2012			15,642
2013			30,854
2014			30,777
2015			28,048
2016			25,447
2017			21,764
Thereafter			43,505
Total			196,037
Goodwill:
Balance at December 31, 2011			504,784
Acquisition			4,462
Currency translation adjustments			(915)
Balance at June 30, 2012	508,331		508,331
Supply and distribution agreements [Member]
Finite-lived intangible assets
Gross Carrying Amount	259,384		259,384		260,288
Accumulated Amortization	(107,425)		(107,425)		(97,114)
Net Carrying Amount	151,959		151,959		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	22,598		22,598		22,982
Accumulated Amortization	(22,422)		(22,422)		(22,708)
Net Carrying Amount	176		176		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	(1,423)		(1,423)		(1,399)
Net Carrying Amount	215		215		239
Amortization period (in years)			15
Weighted Average Useful Life (in years)			15
Customer lists [Member]
Finite-lived intangible assets
Gross Carrying Amount	19,742		19,742		19,923
Accumulated Amortization	(19,742)		(19,742)		(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	17,856		17,856		5,215
Accumulated Amortization	(1,909)		(1,909)		(625)
Net Carrying Amount	15,947		15,947		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	52,096		52,096		52,272
Accumulated Amortization	(24,361)		(24,361)		(21,192)
Net Carrying Amount	27,735		27,735		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