LONG-TERM DEBT - Amendments and Interest rate swap (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
LONG-TERM DEBT
Cash Interest expense	$ 4,630	$ 3,896	$ 10,522	$ 8,316
Amortization of debt issuance costs	2,173	388	4,246	1,247
Amortization of original issue discount	720	24	1,452	78
Interest rate swap	(7)
Interest rate swap			352
Total interest expense	$ 7,516	$ 4,308	$ 16,572	$ 9,641

The premium (cost) of a hedge, expensed during the period.

No definition available.

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- Definition

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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- Definition

Amount of amortization expense attributable to debt issuance costs.

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No definition available.

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- Definition

The premium (cost) of a hedge, expensed during the period.

+ References

No definition available.

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- Definition

Interest and debt related expenses associated with nonoperating financing activities of the entity.

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Represents the portion of interest incurred in the period on debt arrangements that was charged against earnings, excluding amortization of debt discount (premium) and financing costs.

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