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Other Income, Net (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 28, 2020
Mar. 30, 2019
Dec. 28, 2019
Other Income and Expenses [Abstract]      
Current portion of long-term liabilities $ 2,000   $ 4,286
Employee termination and recruitment costs in connection with Value Creation Plan 1,000 $ 2,900  
Reversal of previously recognized stock-based compensation expense related to forfeited awards $ 500 $ 2,100