Annual report pursuant to Section 13 and 15(d)

Fair Value - Financial Assets and Liabilities Carried at Fair Value Measured on Recurring Basis (Detail)

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Fair Value - Financial Assets and Liabilities Carried at Fair Value Measured on Recurring Basis (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Other Liabilities [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest Rate Swaps $ (108) $ (218)
Acquisition Contingent Consideration (5,709) (728)
Current Liabilities [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Acquisition Contingent Consideration (137) (86)
Level 1 [Member] | Other Liabilities [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest Rate Swaps      
Acquisition Contingent Consideration      
Level 1 [Member] | Current Liabilities [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Acquisition Contingent Consideration      
Level 2 [Member] | Other Liabilities [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest Rate Swaps (108) (218)
Acquisition Contingent Consideration      
Level 2 [Member] | Current Liabilities [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Acquisition Contingent Consideration      
Level 3 [Member] | Other Liabilities [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest Rate Swaps      
Acquisition Contingent Consideration (5,709) (728)
Level 3 [Member] | Current Liabilities [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Acquisition Contingent Consideration $ (137) $ (86)