Annual report pursuant to Section 13 and 15(d)

Segments - Summarizes the Company's Sales by Geographic Region (Detail)

v2.4.0.8
Segments - Summarizes the Company's Sales by Geographic Region (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 28, 2013
Jun. 29, 2013
Mar. 30, 2013
Dec. 31, 2012
Sep. 29, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Sales $ 105,456 $ 89,681 $ 70,833 $ 73,967 $ 67,420 $ 68,899 $ 64,989 $ 65,138 $ 339,937 $ 266,446 $ 228,163
North America [Member]
                     
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Sales                 300,368 233,245 196,447
Europe [Member]
                     
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Sales                 21,190 16,188 16,238
Asia [Member]
                     
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Sales                 15,570 14,030 12,544
South America [Member]
                     
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Sales                 1,851 1,937 2,678
Other Continent [Member]
                     
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Sales                 $ 958 $ 1,046 $ 256