Marketable Securities (Tables)

9 Months Ended

Sep. 29, 2018

Investments Debt And Equity Securities [Abstract]

Schedule of Market Value, Cost and Unrealized Gains on Equity Securities

The following table sets forth market value, cost, and unrealized gains on equity securities (in thousands):

	September 29, 2018		December 31, 2017
Fair value	$	10,433	$	15,144
Cost		8,010		10,231
Unrealized gain	$	2,423	$	4,913

Schedule of Gross Unrealized Gains and Losses on Marketable Securities

The following table sets forth the gross unrealized gains and losses on the Company’s marketable securities (in thousands):

	September 29, 2018			December 31, 2017
Gross unrealized gains	$	2,999		$	5,390
Gross unrealized losses		(576	)		(477	)
Net unrealized gains	$	2,423		$	4,913

Summary of Net Realized Gains on Marketable Equity Securities

The following table shows the Company’s net realized gains on marketable equity securities (in thousands):

	Thirteen weeks ended				Thirty-nine weeks ended
	September 29, 2018		September 30, 2017		September 29, 2018		September 30, 2017
Realized gain
Sale proceeds	$	2,804	$	725	$	5,615	$	1,261
Cost of securities sold		2,439		106		5,123		338
Realized gain	$	365	$	619	$	492	$	923
Realized gain, net of taxes	$	275	$	388	$	368	$	565