Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($) $ in Thousands	Sep. 28, 2019	Dec. 30, 2018	Dec. 29, 2018
Senior secured credit facility	$ 650,000
Accumulated deficit	(194,287)		$ (240,104)
No. 2014-09
Accumulated deficit		$ (500)
No. 2016-02 \| Minimum \| Scenario, Forecast
Operating lease, right-of-use asset	30,000
Operating lease, liability	40,000
No. 2016-02 \| Maximum \| Scenario, Forecast
Operating lease, right-of-use asset	40,000
Operating lease, liability	$ 50,000