Quarterly report pursuant to Section 13 or 15(d)

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

v2.4.0.8
Goodwill - Summary of Changes in Carrying Amount of Goodwill (Detail) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 27, 2014
Goodwill [Line Items]  
Beginning balance $ 100,998
Acquisition 512
Foreign Currency Translation (968)
Ending balance 100,542
Aerospace [Member]
 
Goodwill [Line Items]  
Beginning balance 100,998
Acquisition 512
Foreign Currency Translation (968)
Ending balance 100,542
Test Systems [Member]
 
Goodwill [Line Items]  
Ending balance $ 0