Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Additional Information (Detail)

v2.4.0.8
Segment Information - Additional Information (Detail) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Foreign Subsidiaries
Dec. 31, 2012
Foreign Subsidiaries
Segment Reporting Information [Line Items]            
Percentage of net sales in the United States 64.00% 66.00% 63.00% 67.00%    
Percentage of net sales outside the United States 36.00% 34.00% 37.00% 33.00%    
Countries representing > 10% of total net revenue     No individual country, other than the United States, represents more than 10% of total net revenue.      
Long-lived assets outside of the United States         $ 400,000 $ 412,000