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Basis of Presentation and Summary Accounting Policies - Additional Information (Detail) (USD $)
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Dec. 31, 2012
Schedule Of Significant Accounting Policies [Line Items]            
Percentage of total annual net sales in the third and fourth quarters         61.00% 58.00%
Shipping and handling revenue $ 312,000 $ 360,000 $ 682,000 $ 809,000    
Derivative fair value adjustment gain (loss), net of tax (43,000) 231,000 (34,000) 244,000    
Restructuring expenses 125,000 288,000 125,000 288,000    
Foreign exchange contract | Selling, general and administrative expenses
            
Schedule Of Significant Accounting Policies [Line Items]            
Change in fair value recorded in earnings 200,000   400,000      
Other Long Term Liabilities | Foreign exchange contract
            
Schedule Of Significant Accounting Policies [Line Items]            
Notional amount 9,100,000   9,100,000      
Fair value of derivative instruments, liability 728,000   728,000      
Fair Value, Observable inputs, Level 2 | Accrued Expenses and Other Long-Term Liabilities
            
Schedule Of Significant Accounting Policies [Line Items]            
Fair value of derivative instruments, liability 112,000   112,000   54,000  
Interest Rate Swap Agreements
            
Schedule Of Significant Accounting Policies [Line Items]            
Commencement date     2013-03      
Expiry date     Jun. 30, 2018      
Derivative fair value adjustment gain (loss), net of tax 43,000 231,000 34,000 244,000    
Interest Rate Swap Agreements | Cash Flow Hedging
            
Schedule Of Significant Accounting Policies [Line Items]            
Notional amount $ 28,000,000   $ 28,000,000