LEASES - Summary of Lease Costs (Details) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 28, 2019 USD ($)	Sep. 28, 2019 USD ($)
Leases [Abstract]
Weighted-average remaining lease term	5 years 7 months 6 days	5 years 7 months 6 days
Weighted-average IBR (as a percent)	6.08%	6.08%
Fixed lease costs	$ 23,903	$ 77,125
Variable lease costs	$ 8,654	$ 27,868

No definition available.

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

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-Publisher FASB
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- Definition

Weighted average discount rate for operating lease calculated at point in time.

+ References

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- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

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-Publisher FASB
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