FAIR VALUE MEASUREMENTS (Tables)

3 Months Ended

Mar. 25, 2020

Fair Value Disclosures [Abstract]

Schedule of Cash and Cash Equivalents

The following tables summarize our cash, cash equivalents and marketable securities by significant investment categories as of March 25, 2020 and December 25, 2019:

		March 25, 2020
		Cost Basis		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value		Cash and Cash Equivalents		Marketable Securities
Cash		$	87,806	$	—	$	—		$	87,806	$	87,806	$	—
Level 1:
	Money market funds	—		—		—			—		—		—
	Mutual funds	16,707		—		(284		)	16,423		—		16,423
Total		$	104,513	$	—	$	(284	)	$	104,229	$	87,806	$	16,423

		December 25, 2019
		Cost Basis		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value		Cash and Cash Equivalents		Marketable Securities
Cash		$	32,094	$	—	$	—	$	32,094	$	32,094	$	—
Level 1:
	Money market funds	5,005		—		—		5,005		5,005		—
	Mutual funds	36,436		72		—		36,508		—		36,508
Total		$	73,535	$	72	$	—	$	73,607	$	37,099	$	36,508

Schedule of Other Income From Available for Sale Securities

A summary of other income from equity securities recognized during the thirteen weeks ended March 25, 2020 and March 27, 2019 is as follows:

		Thirteen Weeks Ended
		March 25 2020			March 27 2019
Equity securities:
	Dividend income	$	184		$	392
	Interest income	—			—
	Realized gain (loss) on sale of investments	79			(14		)
	Unrealized gain (loss) on equity securities	(356		)	157
Total		$	(93	)	$	535

Schedule of Available-for-sale Securities and Gross Realized Gains and Losses

A summary of equity securities sold and gross realized gains and losses recognized during the thirteen weeks ended March 25, 2020 and March 27, 2019 is as follows:

		Thirteen Weeks Ended
		March 25 2020		March 27 2019
Equity securities:
	Gross proceeds from sales and redemptions	$	20,000	$	15,000
	Cost basis of sales and redemptions	19,921		15,014
	Gross realized gains included in net income (loss)	79		—
	Gross realized losses included in net income (loss)	—		(14		)