Cash, Cash Equivalents And Marketable Securities (Tables)

6 Months Ended

Jul. 01, 2018

Cash, Cash Equivalents And Marketable Securities [Abstract]

Summary Of The Amortized Costs And Fair Values Of Marketable Securities

	(In Thousands)
	MARKETABLE SECURITIES
	Amortized Cost		Fair Value		Gross Unrealized Gains		Gross Unrealized Losses
July 1, 2018
Tax-exempt  Municipal Bonds	$	27,602	$	27,575	$	-	$	27
Variable Rate Demand Notes		101,864		101,864		-		-
Total Marketable Securities	$	129,466	$	129,439	$	-	$	27
December 31, 2017
Tax-exempt Municipal Bonds	$	30,103	$	29,994	$	-	$	109
Variable Rate Demand Notes		114,258		114,258		-		-
Total Marketable Securities	$	144,361	$	144,252	$	-	$	109