v2.4.0.8
Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Contingent consideration $ (26,601) $ (26,303)
Derivative Assets (Liabilities) (2,392) (4,502)
Total (28,993) (30,805)
Foreign currency forward contracts [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative Assets (Liabilities) 3,609 5,374
Interest rate swap contracts [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative Assets (Liabilities) (7,658) (11,533)
Contingent call option, 2019 Notes [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative Assets (Liabilities) 1,657 1,657
Fair Value, Inputs, Level 1 [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Contingent consideration      
Derivative Assets (Liabilities)      
Total      
Fair Value, Inputs, Level 1 [Member] | Foreign currency forward contracts [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative Assets (Liabilities)      
Fair Value, Inputs, Level 1 [Member] | Interest rate swap contracts [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative Assets (Liabilities)      
Fair Value, Inputs, Level 1 [Member] | Contingent call option, 2019 Notes [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative Assets (Liabilities)      
Fair Value, Inputs, Level 2 [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Contingent consideration      
Derivative Assets (Liabilities) (4,049) (6,159)
Total (4,049) (6,159)
Fair Value, Inputs, Level 2 [Member] | Foreign currency forward contracts [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative Assets (Liabilities) 3,609 5,374
Fair Value, Inputs, Level 2 [Member] | Interest rate swap contracts [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative Assets (Liabilities) (7,658) (11,533)
Fair Value, Inputs, Level 2 [Member] | Contingent call option, 2019 Notes [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative Assets (Liabilities)      
Fair Value, Inputs, Level 3 [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Contingent consideration (26,601) (26,303)
Derivative Assets (Liabilities) 1,657 1,657
Total (24,944) (24,646)
Fair Value, Inputs, Level 3 [Member] | Foreign currency forward contracts [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative Assets (Liabilities)      
Fair Value, Inputs, Level 3 [Member] | Interest rate swap contracts [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative Assets (Liabilities)      
Fair Value, Inputs, Level 3 [Member] | Contingent call option, 2019 Notes [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative Assets (Liabilities) $ 1,657 $ 1,657