Quarterly report pursuant to Section 13 or 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
Mar. 29, 2014
Dec. 31, 2013
Other Liabilities [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest rate swaps $ (94) $ (108)
Acquisition contingent consideration (3,490) (5,709)
Current Liabilities [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Acquisition contingent consideration (2,489) (137)
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 (94) (108)
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 (3,490) (5,709)
Level 3 [Member] | Current Liabilities [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Acquisition contingent consideration $ (2,489) $ (137)