Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Additional Information (Detail)

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Commitments and Contingencies - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
 1 Months Ended 12 Months Ended
Mar. 20, 2012
Dec. 31, 2012
Dec. 31, 2012
Minimum [Member]
Dec. 31, 2012
Maximum [Member]
Loss Contingencies [Line Items]        
Losses up to per occurrence related to product liability, automotive, workers' compensation and general liability   $ 250    
Occurrences in excess for purchased catastrophic coverage     250 40,000
Liability recorded for such risk insurance reserves   2,626    
Aggregate vendors and insurers letters of credit related to product purchases and insurance coverage of product liability, workers' compensation and general liability   5,556    
Group health claims up to annual stop loss limit per participant   200    
Annual group health insurance claims in excess of expected claims   125.00%    
Liability recorded for such group health insurance reserves   2,045    
Company agreed to pay Steelworks Hardware LLC in full settlement of all alleged claims and plaintiff legal fees $ 1,635