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INTANGIBLE ASSETS AND GOODWILL (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Dec. 31, 2010
Finite-lived intangible assets          
Gross Carrying Amount $ 386,534,000   $ 386,534,000   $ 365,312,000
Accumulated Amortization (157,649,000)   (157,649,000)   (133,282,000)
Net Carrying Amount 228,885,000   228,885,000   232,030,000
Amortization 8,600,000 6,800,000 16,900,000 12,600,000  
Annual estimated amortization expense for intangible assets          
2011     16,539,000    
2012     31,162,000    
2013     29,863,000    
2014     29,789,000    
2015     27,001,000    
2016     24,429,000    
Thereafter     70,102,000    
Amortization expense for intangible assets, total     228,885,000    
Goodwill:          
Balance, at the beginning of the period     510,894,000    
Currency translation adjustments     18,700,000    
Balance, at the end of the period 529,594,000   529,594,000    
Supply and distribution agreements
         
Finite-lived intangible assets          
Gross Carrying Amount 278,005,000   278,005,000   264,491,000
Accumulated Amortization (92,580,000)   (92,580,000)   (76,823,000)
Net Carrying Amount 185,425,000   185,425,000   187,668,000
Amortization period - minimum (in years)     10    
Amortization period - maximum (in years)     13    
Weighted Average Useful Life (in years)     12    
Technology
         
Finite-lived intangible assets          
Gross Carrying Amount 25,044,000   25,044,000   23,549,000
Accumulated Amortization (24,402,000)   (24,402,000)   (22,119,000)
Net Carrying Amount 642,000   642,000   1,430,000
Amortization period (in years)     3    
Weighted Average Useful Life (in years)     3    
Patents
         
Finite-lived intangible assets          
Gross Carrying Amount 1,638,000   1,638,000   1,638,000
Accumulated Amortization (1,376,000)   (1,376,000)   (1,352,000)
Net Carrying Amount 262,000   262,000   286,000
Amortization period (in years)     15    
Weighted Average Useful Life (in years)     15    
Customer lists
         
Finite-lived intangible assets          
Gross Carrying Amount 21,569,000   21,569,000   20,338,000
Accumulated Amortization (19,716,000)   (19,716,000)   (17,512,000)
Net Carrying Amount 1,853,000   1,853,000   2,826,000
Amortization period (in years)     2    
Weighted Average Useful Life (in years)     2    
Internet domain names
         
Finite-lived intangible assets          
Gross Carrying Amount 4,458,000   4,458,000   1,853,000
Accumulated Amortization (327,000)   (327,000)   (126,000)
Net Carrying Amount 4,131,000   4,131,000   1,727,000
Amortization period - minimum (in years)     2    
Amortization period - maximum (in years)     20    
Weighted Average Useful Life (in years)     10    
Trade names
         
Finite-lived intangible assets          
Gross Carrying Amount 55,475,000   55,475,000   53,099,000
Accumulated Amortization (18,940,000)   (18,940,000)   (15,064,000)
Net Carrying Amount 36,535,000   36,535,000   38,035,000
Amortization period - minimum (in years)     5    
Amortization period - maximum (in years)     20    
Weighted Average Useful Life (in years)     11    
Other
         
Finite-lived intangible assets          
Gross Carrying Amount 345,000   345,000   344,000
Accumulated Amortization (308,000)   (308,000)   (286,000)
Net Carrying Amount $ 37,000   $ 37,000   $ 58,000
Amortization period - minimum (in years)     3    
Amortization period - maximum (in years)     10    
Weighted Average Useful Life (in years)     4