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STOCK BASED COMPENSATION - Additional Information (Detail) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Stock Options [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Maximum term of an option granted under any plan (in years) 10 years    
Unrecognized compensation expenses related to non-vested option awards $ 27,200,000    
Weighted average period of recognition for unrecognized compensation expenses 1 year 5 months 27 days    
Restricted Stock Units (RSUs) [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Weighted average period of recognition for unrecognized compensation expenses 2 years 7 months 13 days    
Ratio of share reserve related to RSUs granted 2    
Unrecognized compensation expenses related to RSUs 3,600,000    
Fair value of units vested 1,200,000 400,000  
Restricted Stock Units (RSUs) [Member] | Minimum [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 3 years    
Restricted Stock Units (RSUs) [Member] | Maximum [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 5 years    
Director [Member] | Stock Options [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 1 year    
Officers and Employees [Member] | Stock Options [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 5 years    
2011 Incentive Compensation Plan [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Awards authorized 3,000,000    
2008 Plan [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Awards authorized 3,500,000    
2005 Plan [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Awards authorized 4,800,000    
2000 Plan [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Awards authorized 7,000,000    
1997 Plan [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Awards authorized 6,000,000    
Directors Plan [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Awards authorized 2,340,000    
Employee Stock Purchase Plan [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Awards authorized 900,000    
Percentage of discount to market price 85.00%    
Term of offering period 6 months    
Maximum payroll deductions during the offering period, per employee $ 5,000    
Employee Stock Purchase Plan [Member] | ESPP shares [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock issued during period (in shares) 52,956 56,362 53,213