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Acquisitions - Additional Information (Detail)
 3 Months Ended 1 Months Ended 3 Months Ended 1 Months Ended 3 Months Ended 3 Months Ended
Mar. 31, 2014
USD ($)
Mar. 31, 2013
USD ($)
Jan. 15, 2014
Thomas Plant
USD ($)
Jan. 15, 2014
Thomas Plant
GBP (£)
Mar. 31, 2014
Thomas Plant
USD ($)
Mar. 31, 2013
Thomas Plant
USD ($)
Jan. 15, 2014
Thomas Plant
Cost of Sales
USD ($)
Mar. 31, 2014
Thomas Plant
Cost of Sales
USD ($)
Jan. 15, 2014
Thomas Plant
Maximum
USD ($)
Jan. 15, 2014
Thomas Plant
Maximum
GBP (£)
Mar. 31, 2014
Other Acquisitions
USD ($)
Business Acquisition [Line Items]                      
Percentage of equity interests acquired     100.00% 100.00%              
Business acquisition cash paid     $ 61,500,000 £ 37,400,000              
Business acquisition, issuance of common stock shares     581,432 581,432              
Business acquisition, common stock value     9,000,000 5,500,000              
Business acquisition, contingent cash consideration payable                 9,000,000 5,500,000  
Net Sales 118,411,000 113,629,000     16,900,000            
Net income (loss) (2,077,000) (21,000)     400,000            
Business combination increase in fair value of inventory             900,000 500,000      
Amortization of intangible assets           900,000          
Elimination of acquisition costs         900,000            
Interest Expense and Debt Issuance Cost           500,000          
Business acquisition cash paid     $ 61,302,000               $ 5,300,000