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 6 Months Ended
Jun. 30, 2012
Jul. 02, 2011
Jun. 30, 2012
Jul. 02, 2011
Dec. 31, 2011
Summary of segment reporting information          
Sales $ 64,989 $ 55,475 $ 130,127 $ 110,603  
Operating Profit (Loss) and Margins 9,585 8,466 20,388 17,802  
Percentage of Operating Profit (Loss) and Margins 14.70% 15.30% 15.70% 16.10%  
Deductions from Operating Profit          
Interest Expense 266 534 529 1,071  
Corporate Expenses and Other 1,809 1,224 3,347 2,399  
Income Before Income Taxes 7,510 6,708 16,512 14,332  
Total Assets 187,572   187,572   174,905
Aerospace [Member]
          
Summary of segment reporting information          
Sales 62,423 51,942 124,424 102,141  
Operating Profit (Loss) and Margins 10,903 9,011 22,781 18,330  
Percentage of Operating Profit (Loss) and Margins 17.50% 17.30% 18.30% 17.90%  
Deductions from Operating Profit          
Total Assets 152,736   152,736   136,930
Test Systems [Member]
          
Summary of segment reporting information          
Sales 2,566 3,533 5,703 8,462  
Operating Profit (Loss) and Margins (1,318) (545) (2,393) (528)  
Percentage of Operating Profit (Loss) and Margins (51.40%) (15.40%) (42.00%) (6.20%)  
Deductions from Operating Profit          
Total Assets 18,133   18,133   20,020
Corporate [Member]
          
Deductions from Operating Profit          
Total Assets $ 16,703   $ 16,703   $ 17,955