INTANGIBLE ASSETS AND GOODWILL (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Dec. 31, 2011
Finite-lived intangible assets
Gross Carrying Amount	$ 386,226		$ 362,663
Accumulated Amortization	(175,308)		(162,512)
Net Carrying Amount	210,918		200,151
Amortization	8,157	8,313
Annual estimated amortization expense for intangible assets
2012	24,496
2013	31,822
2014	31,746
2015	28,966
2016	26,318
2017	22,502
Thereafter	45,068
Total	210,918
Goodwill:
Balance at December 31. 2011	504,784
Acquisition	4,462
Currency translation adjustments	11,523
Balance at March 31, 2012	520,769
Supply and distribution agreements [Member]
Finite-lived intangible assets
Gross Carrying Amount	267,998		260,288
Accumulated Amortization	(105,563)		(97,114)
Net Carrying Amount	162,435		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	23,520		22,982
Accumulated Amortization	(23,289)		(22,708)
Net Carrying Amount	231		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
Accumulated Amortization	(1,411)		(1,399)
Net Carrying Amount	227		239
Amortization period (in years)	15
Weighted Average Useful Life (in years)	15
Customer lists [Member]
Finite-lived intangible assets
Gross Carrying Amount	20,514		19,923
Accumulated Amortization	(20,243)		(19,150)
Net Carrying Amount	271		773
Amortization period (in years)	2
Weighted Average Useful Life (in years)	2
Internet domain names [Member]
Finite-lived intangible assets
Gross Carrying Amount	18,562		5,215
Accumulated Amortization	(1,149)		(625)
Net Carrying Amount	17,413		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	53,649		52,272
Accumulated Amortization	(23,328)		(21,192)
Net Carrying Amount	30,321		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	345		345
Accumulated Amortization	(325)		(324)
Net Carrying Amount	$ 20		$ 21
Amortization period - minimum (in years)	3
Amortization period - maximum (in years)	10
Weighted Average Useful Life (in years)	4