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Fair Value Measurements and Fair Value of Financial Instruments - Debt Obligations (Details) - USD ($) $ in Thousands | Dec. 29, 2018 | Dec. 30, 2017
--- | --- | ---
Carrying Value |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Revolving credit facility | $ 141,106 | $ 237,011
Commercial real estate loan | 20,475 | 0
Senior promissory notes | 10,000 | 0
Capital lease obligations | 4,144 | 4,633
Other borrowings | 244 | 436
Debt obligations | 175,969 | 242,080
Fair Value |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Revolving credit facility | 141,106 | 237,011
Commercial real estate loan | 20,575 | 0
Senior promissory notes | 10,120 | 0
Capital lease obligations | 4,144 | 4,633
Other borrowings | 244 | 436
Debt obligations | $ 176,189 | $ 242,080

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