RESTRICTED CASH AND INVESTMENTS (Tables)

12 Months Ended

Dec. 29, 2019

Restricted Cash and Investments [Abstract]

Schedule of Restricted Cash and Investments

The following is a summary of the carrying value of our restricted cash and investments:



(in thousands)	December 29, 2019		December 30, 2018
Cash collateral held by insurance carriers	$	24,612	$	24,182
Cash and cash equivalents held in Trust	23,681		28,021
Investments held in Trust	149,373		156,618
Deferred compensation investments	13,670		22,621
Company owned life insurance policies	13,126		742
Other restricted cash and cash equivalents	6,470		3,259
Total restricted cash and investments	$	230,932	$	235,443

Schedule of Held-to-Maturity Investments

The amortized cost and estimated fair value of our held-to-maturity investments held in Trust, aggregated by investment category as of December 29, 2019 and December 30, 2018, were as follows:



	December 29, 2019
(in thousands)	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair value
Municipal debt securities	$	72,017	$	2,219	$	—		$	74,236
Corporate debt securities	75,000		1,102		(34		)	76,068
Agency mortgage-backed securities	1,357		21		(2		)	1,376
U.S. government and agency securities	999		52		—			1,051
Total held-to-maturity investments	$	149,373	$	3,394	$	(36	)	$	152,731



	December 30, 2018
(in thousands)	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair value
Municipal debt securities	$	76,750	$	456	$	(516	)	$	76,690
Corporate debt securities	76,310		30		(908		)	75,432
Agency mortgage-backed securities	2,559		5		(33		)	2,531
U.S. government and agency securities	999		—		(11		)	988
Total held-to-maturity investments	$	156,618	$	491	$	(1,468	)	$	155,641

Schedule of Unrealized Loss on Investments

The estimated fair value and gross unrealized losses of all investments classified as held-to-maturity, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position as of December 29, 2019 and December 30, 2018, were as follows:



	December 29, 2019
	Less than 12 months					12 months or more					Total
(in thousands)	Estimated fair value		Unrealized losses			Estimated fair value		Unrealized losses			Estimated fair value		Unrealized losses
Municipal debt securities	$	—	$	—		$	—	$	—		$	—	$	—
Corporate debt securities	15,920		(32		)	2,765		(2		)	18,685		(34		)
Agency mortgage-backed securities	—		—			276		(2		)	276		(2		)
U.S. government and agency securities	—		—			—		—			—		—
Total held-to-maturity investments	$	15,920	$	(32	)	$	3,041	$	(4	)	$	18,961	$	(36	)



	December 30, 2018
	Less than 12 months					12 months or more					Total
(in thousands)	Estimated fair value		Unrealized losses			Estimated fair value		Unrealized losses			Estimated fair value		Unrealized losses
Municipal debt securities	$	12,803	$	(74	)	$	22,638	$	(442	)	$	35,441	$	(516	)
Corporate debt securities	22,567		(277		)	44,463		(631		)	67,030		(908		)
Agency mortgage-backed securities	385		—			1,375		(33		)	1,760		(33		)
U.S. government and agency securities	988		(11		)	—		—			988		(11		)
Total held-to-maturity investments	$	36,743	$	(362	)	$	68,476	$	(1,106	)	$	105,219	$	(1,468	)

Schedule of Held-to-Maturity Investments by Contractual Maturity

The amortized cost and fair value by contractual maturity of our held-to-maturity investments are as follows:



	December 29, 2019
(in thousands)	Amortized cost		Fair value
Due in one year or less	$	20,312	$	20,356
Due after one year through five years	92,358		94,159
Due after five years through ten years	36,703		38,216
Total held-to-maturity investments	$	149,373	$	152,731