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Supplemental Cash Flow Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 28, 2018
Dec. 29, 2017
Dec. 30, 2016
Condensed Cash Flow Statements, Captions [Line Items]      
Capital Expenditures Incurred but Not yet Paid $ 2,303 $ 3,474 $ 3,499
Interest Paid, Including Capitalized Interest, Operating and Investing Activities 79,661 93,839 106,475
Income Taxes Paid, Net 23,155 (8,185) $ 7,263
Cash and cash equivalents 25,569 37,341  
Cash and Cash Equivalents, at Carrying Value, Including Discontinued Operations 25,569 44,096  
Discontinued Operations, Held-for-sale [Member] | AS&O Business [Member]      
Condensed Cash Flow Statements, Captions [Line Items]      
Cash and cash equivalents $ 0 $ 6,755