Quarterly report pursuant to Section 13 or 15(d)

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

v3.5.0.2
Goodwill - Summary of Changes in Carrying Amount of Goodwill (Detail)
$ in Thousands
9 Months Ended
Oct. 01, 2016
USD ($)
Goodwill [Roll Forward]  
Balance at beginning of period $ 115,369
Acquisition 0
Foreign currency translation 276
Balance at end of period 115,645
Operating Segments | Aerospace  
Goodwill [Roll Forward]  
Balance at beginning of period 115,369
Acquisition 0
Foreign currency translation 276
Balance at end of period 115,645
Operating Segments | Test Systems  
Goodwill [Roll Forward]  
Balance at beginning of period 0
Acquisition 0
Foreign currency translation 0
Balance at end of period $ 0