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Supplemental Cash Flow Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Jan. 02, 2016
Cash paid during the year for:      
Interest $ 43,245 $ 26,867 $ 20,042
Income taxes, net of refunds 36,571 14,163 131,838
Supplemental disclosures of non-cash investing and financing activities:      
Additions to property, plant and equipment included in accounts payable 2,300 4,762 7,966
Additions to property, plant and equipment acquired under capital leases $ 0 $ 432 $ 1,462