Note 3 Fair Value (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Mar. 28, 2020	Jun. 27, 2020	Sep. 28, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash Equivalents		35.00%
Fair Value, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Tangible Asset Impairment Charges	$ 2,000
Goodwill impairment	$ 7,000
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets for Plan Benefits, Defined Benefit Plan			$ 39,000
Deferred Compensation Plan Assets		$ 39,000	36,000
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Interest Rate Swap [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest Rate Cash Flow Hedge Liability at Fair Value			$ 20,000