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Business and Summary of Significant Accounting Policies - New Accounting Pronouncements - Additional Information (Details) - USD ($) $ in Thousands | Sep. 28, 2019 | Dec. 30, 2018 | Dec. 29, 2018
--- | --- | --- | ---
Accounting Policies [Line Items] |  |  |  |
Net Operating Lease, Right-of-Use Asset |  | $ 321,048 |  | $ 0
Operating Lease Liability | [1] | 351,245 |  |
Operating Lease, Liability Current |  | 57,912 |  | 0
Operating Lease, Liability Noncurrent |  | $ 293,333 |  | $ 0
Accounting Standards Update 2016-02 |  |  |  |
Accounting Policies [Line Items] |  |  |  |
Net Operating Lease, Right-of-Use Asset |  |  | $ 299,000 |
Operating Lease Liability |  |  | 327,000 |
Operating Lease, Liability Current |  |  | 52,000 |
Operating Lease, Liability Noncurrent |  |  | 275,000 |
Deferred rent and lease incentive liabilities |  |  | $ 28,000 |
[1] |
(2) | Includes the current portion of $58 million for operating lease liabilities.

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