Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Details)

v2.4.0.6
Segment Information (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 29, 2012
Oct. 01, 2011
Sep. 29, 2012
Oct. 01, 2011
Dec. 31, 2011
Summary of segment reporting information          
Total Sales $ 68,899 $ 56,404 $ 199,026 $ 167,007  
Total Operating Profit 9,445 9,065 29,833 26,863  
Percentage of Operating Profit (Loss) and Margins 13.70% 16.10% 15.00% 16.10%  
Deductions from Operating Profit          
Interest Expense 274 390 803 1,461  
Corporate Expenses and Other 1,790 1,170 5,137 3,565  
Income Before Income Taxes 7,381 7,505 23,893 21,837  
Total Assets 207,398   207,398   174,905
Aerospace [Member]
          
Summary of segment reporting information          
Total Sales 65,788 53,509 190,212 155,650  
Total Operating Profit 10,577 9,897 33,358 28,223  
Percentage of Operating Profit (Loss) and Margins 16.10% 18.50% 17.50% 18.10%  
Deductions from Operating Profit          
Total Assets 173,261   173,261   136,930
Test Systems [Member]
          
Summary of segment reporting information          
Total Sales 3,111 2,895 8,814 11,357  
Total Operating Profit (1,132) (832) (3,525) (1,360)  
Percentage of Operating Profit (Loss) and Margins (36.40%) (28.70%) (40.00%) (12.00%)  
Deductions from Operating Profit          
Total Assets 18,349   18,349   20,020
Corporate [Member]
          
Deductions from Operating Profit          
Total Assets $ 15,788   $ 15,788   $ 17,955