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Supplemental Cash Flow Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Dec. 30, 2017
Cash paid during the year for:      
Interest $ 25,310 $ 38,855 $ 43,245
Income taxes, net of refunds 18,025 28,460 36,571
Supplemental disclosures of non-cash investing and financing activities:      
Additions to property, plant and equipment included in accounts payable 2,060 3,868 2,300
Additions to property, plant and equipment acquired under finance leases $ 83 $ 0 $ 0