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EMPLOYEE BENEFIT AND DEFERRED COMPENSATION PLANS - SAR Plan, activity (Details) - $ / shares shares in Thousands		12 Months Ended
	Jul. 01, 2020	Dec. 31, 2020
Grant values
Granted		$ 4.70
Forfeited		2.50
Grant values, Nonvested
Forfeited		$ 2.50
Weighted average grant date intrinsic value	$ 0
SAR
Vested and Expected to Vest
Balance, Bgn		12,276
Granted		702
Exercised		(877)
Forfeited		(63)
Converted		(12,038)
Balance, End		12,276
Vested
Beginning, balance		6,207
Exercised		(877)
Vested		1,410
Nonvested Units
Balance, Bgn		6,069
Forfeited		(63)
Vested		(1,410)
SAR | Minimum
Grant values
Balance, Bgn		$ 0.92
Vested
Exercised		1.31
Converted		0.92
Grant values, Vested
Exercised		1.31
SAR | Maximum
Grant values
Balance, Bgn		3.73
Vested
Exercised		2.50
Converted		4.70
Grant values, Vested
Exercised		$ 2.50
Vested units
Vested and Expected to Vest
Granted		21
Converted		(6,761)
Non vested units
Vested and Expected to Vest
Granted		681
Converted		(5,277)

X

- Definition

The grant-date intrinsic value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Number of options outstanding, including both vested and non-vested options.

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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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