XML 86 R72.htm IDEA: XBRL DOCUMENT v3.8.0.1
Derivative Financial Instruments - Foreign Currency Derivatives (Details) - Not Designated as Hedging Instrument - Foreign Exchange Forward
€ in Thousands, ₩ in Thousands, ¥ in Thousands, TWD in Thousands, $ in Thousands
12 Months Ended
Dec. 30, 2017
USD ($)
Dec. 31, 2016
USD ($)
Dec. 26, 2015
USD ($)
Dec. 30, 2017
KRW (₩)
Dec. 30, 2017
TWD
Dec. 30, 2017
EUR (€)
Dec. 30, 2017
JPY (¥)
Derivatives, Fair Value [Line Items]              
Total USD notional amount of outstanding foreign exchange contracts $ 24,127            
Other income (expense), net              
Derivatives, Fair Value [Line Items]              
Foreign exchange forward contracts (2,505) $ (1,490) $ (310)        
Buy | Taiwan Dollar              
Derivatives, Fair Value [Line Items]              
Derivative liability contract amount (1,139)       TWD (33,666)    
Buy | Korean Won              
Derivatives, Fair Value [Line Items]              
Derivative liability contract amount (1,745)     ₩ (1,848,796)      
Buy | Euro              
Derivatives, Fair Value [Line Items]              
Derivative liability contract amount (21,362)         € (17,750)  
Sell | Japanese Yen              
Derivatives, Fair Value [Line Items]              
Derivative asset contract amount $ 5,649           ¥ 637,090