FAIR VALUE MEASUREMENTS (Tables)

6 Months Ended

Jun. 24, 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 June 24, 2020 and December 25, 2019:

		June 24, 2020
		Cost Basis		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value		Cash and Cash Equivalents		Marketable Securities
Cash		$	173,984	$	—	$	—	$	173,984	$	173,984	$	—
Level 1:
	Money market funds	—		—		—		—		—		—
	Mutual funds	16,783		50		—		16,833		—		16,833
Total		$	190,767	$	50	$	—	$	190,817	$	173,984	$	16,833

		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 (loss) from equity securities recognized during the thirteen and twenty-six weeks ended June 24, 2020 and June 26, 2019 is as follows:

		Thirteen Weeks Ended				Twenty-Six Weeks Ended
		June 24 2020		June 26 2019		June 24 2020		June 26 2019
Equity securities:
	Dividend income	$	66	$	351	$	250	$	743
	Realized gain (loss) on sale of investments	—		36		79		22
	Unrealized gain (loss) on equity securities	334		74		(22)		231
Total		$	400	$	461	$	307	$	996

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 and twenty-six weeks ended June 24, 2020 and June 26, 2019 is as follows:

		Thirteen Weeks Ended				Twenty-Six Weeks Ended
		June 24 2020		June 26 2019		June 24 2020		June 26 2019
Equity securities:
	Gross proceeds from sales and redemptions	$	—	$	12,000	$	20,000	$	27,000
	Cost basis of sales and redemptions	—		11,964		19,921		26,978
	Gross realized gains included in net income (loss)	—		36		79		36
	Gross realized losses included in net income (loss)	—		—		—		(14)