Quarterly report pursuant to Section 13 or 15(d)

Goodwill - Summary of Changes in Carrying Amount of Goodwill (Detail)

v3.2.0.727
Goodwill - Summary of Changes in Carrying Amount of Goodwill (Detail) - Jul. 04, 2015 - USD ($)
$ in Thousands
Total
Total
Goodwill    
Goodwill reclassification to intangible assets $ 5,100  
Goodwill [Roll Forward]    
December 31, 2014   $ 100,153
Acquisition   15,174
Foreign Currency Translation   (749)
July 4, 2015 114,578 114,578
Operating Segments | Aerospace    
Goodwill [Roll Forward]    
December 31, 2014   100,153
Acquisition   15,174
Foreign Currency Translation   (749)
July 4, 2015 114,578 114,578
Operating Segments | Test Systems    
Goodwill [Roll Forward]    
December 31, 2014   0
Acquisition   0
Foreign Currency Translation   0
July 4, 2015 $ 0 $ 0