Annual report pursuant to Section 13 and 15(d)

Accumulated Other Comprehensive Loss - Changes in AOCI (Details)

v3.10.0.1
Accumulated Other Comprehensive Loss - Changes in AOCI (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 29, 2018
Dec. 30, 2017
Dec. 31, 2016
Accumulated Other Comprehensive Income Loss [Line Items]      
Beginning Balance $ 272,673 $ 236,397 $ 222,187
Ending Balance 530,768 272,673 236,397
Unrealized Gains and Losses on Available-for-Sale Securities [Member]      
Accumulated Other Comprehensive Income Loss [Line Items]      
Beginning Balance   (391) (1,262)
Other comprehensive income (loss) before reclassifications   (37) 621
Amounts reclassified from accumulated other comprehensive income   428 250
Net current period other comprehensive income (loss)   391 871
Ending Balance     (391)
Unrealized Gains and Losses on Derivative Instruments [Member]      
Accumulated Other Comprehensive Income Loss [Line Items]      
Other comprehensive income (loss) before reclassifications (2,741)    
Amounts reclassified from accumulated other comprehensive income 432    
Net current period other comprehensive income (loss) (2,309)    
Ending Balance (2,309)    
Foreign Currency Items [Member]      
Accumulated Other Comprehensive Income Loss [Line Items]      
Beginning Balance (6,478) (15,442) (8,781)
Other comprehensive income (loss) before reclassifications (37,466) 8,964 (6,661)
Net current period other comprehensive income (loss) (37,466) 8,964 (6,661)
Ending Balance (43,944) (6,478) (15,442)
Accumulated other comprehensive income (loss) [Member]      
Accumulated Other Comprehensive Income Loss [Line Items]      
Beginning Balance (6,478) (15,833) (10,043)
Other comprehensive income (loss) before reclassifications (40,207) 8,927 (6,040)
Amounts reclassified from accumulated other comprehensive income 432 428 250
Net current period other comprehensive income (loss) (39,775) 9,355 (5,790)
Ending Balance $ (46,253) $ (6,478) $ (15,833)