Other Expense (Income), Net (Tables)
 3 Months Ended
Mar. 29, 2015
Other Income and Expenses [Abstract]  
Schedule of Other Expense (Income), net
 
Three months ended
 
March 29,
2015
 
March 30,
2014
Other expense (income), net consists of:
 
 
 
Amortization of intangibles/other assets
$
3,362

 
$
4,175

Unrealized foreign exchange losses

2,279

 
—

Royalty income and other
(240
)
 
(192
)
Total other expense (income), net
$
5,401

 
$
3,983