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Fair Value Measurements - Schedule of Financial Assets and Liabilities Recorded at Fair Value on Recurring Basis (Detail) (Fair Value, Measurements, Recurring [Member], USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Deferred compensation plan, Assets $ 3,361 $ 3,305
Cross currency hedge, Assets   305
Assets fair value, Total 3,361 3,610
Deferred Compensation Plan, Liabilities (2,506) (2,320)
Cross currency hedge, Liabilities (1,036)   
Liabilities fair value, Total (3,542) (2,320)
Fair Value, Inputs, Level 1 [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Deferred compensation plan, Assets 3,361 3,305
Cross currency hedge, Assets     
Assets fair value, Total 3,361 3,305
Deferred Compensation Plan, Liabilities (2,506) (2,320)
Cross currency hedge, Liabilities      
Liabilities fair value, Total (2,506) (2,320)
Fair Value, Inputs, Level 2 [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Deferred compensation plan, Assets      
Cross currency hedge, Assets   305
Assets fair value, Total    305
Deferred Compensation Plan, Liabilities      
Cross currency hedge, Liabilities (1,036)   
Liabilities fair value, Total (1,036)   
Fair Value, Inputs, Level 3 [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Deferred compensation plan, Assets      
Cross currency hedge, Assets     
Assets fair value, Total      
Deferred Compensation Plan, Liabilities      
Cross currency hedge, Liabilities      
Liabilities fair value, Total