Accumulated Other Comprehensive Income (Tables)

3 Months Ended

Mar. 31, 2018

Accumulated Other Comprehensive Income [Abstract]

Schedule of Accumulated Other Comprehensive Income

		Unrealized Gains
		on Available-for-Sale
(dollars in thousands)		Marketable Securities
Accumulated other comprehensive income balance as of December 30, 2017	$	5,880
Amount reclassified to retained earnings for equity unrealized gain (adoption of ASU 2016-01)		(5,482)
Other comprehensive loss before reclassifications		(403)
Amounts reclassified from accumulated other comprehensive income		39
Net current period change in other comprehensive income		(5,846)
Accumulated other comprehensive income balance as of March 31, 2018	$	34

Schedule Of Reclassifications out of Accumulated Other Comprehensive Income

		Amounts Reclassified from
		Accumulated Other Comprehensive Income to the
		Consolidated Statements of Income
		13 Weeks Ended
(dollars in thousands)	Location	March 31, 2018		April 1, 2017
Unrealized gains (losses) on available-for-sale marketable securities
	Investment income and interest expense	$	54	$	-
	Provision for income taxes		(15)		-
Total amount reclassified, net of tax		$	39	$	-