Quarterly report pursuant to Section 13 or 15(d)

Sales to Major Customers - Schedule of Activities with Major Customers (Detail)

v2.4.0.8
Sales to Major Customers - Schedule of Activities with Major Customers (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 29, 2014
Mar. 30, 2013
Dec. 31, 2013
Panasonic [Member]
     
Percent of consolidated revenue      
Panasonic 19.50% 33.40%  
Accounts Receivable      
Boeing $ 13,805   $ 14,090
Boeing [Member]
     
Percent of consolidated revenue      
Boeing 15.30% 5.80%  
Accounts Receivable      
Boeing $ 8,793   $ 6,458