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Fair Value Measurements and Fair Value of Financial Instruments - Debt Obligations (Details) - USD ($) $ in Thousands | Dec. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Carrying Value |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Revolving credit facility | $ 237,011 | $ 61,494
Capital lease obligations | 4,101 | 3,857
Other borrowings | 272 | 417
Debt obligations | 241,384 | 65,768
Fair Value |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Revolving credit facility | 237,011 | 61,494
Capital lease obligations | 4,101 | 3,857
Other borrowings | 272 | 417
Debt obligations | $ 241,384 | $ 65,768

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