XML 77 R63.htm IDEA: XBRL DOCUMENT v2.4.0.6
Business and Credit Concentrations (Details)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Foreign customers outside the U.S. and Canada [Member]
     
Schedule of significant portions of the Company's net sales      
Net sales, percentage 40.00% 29.00% 32.00%
United States Army Program Office, Saudi Arabian National Guard
     
Schedule of significant portions of the Company's net sales      
Net sales, percentage 11.00%    
General Dynamics Land Systems-Canada [Member]
     
Schedule of significant portions of the Company's net sales      
Net sales, percentage   11.00%  
Kongsberg Defense And Aerospace AS [Member]
     
Schedule of significant portions of the Company's net sales      
Net sales, percentage     14.00%