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Debt (Details) - USD ($) |  | 12 Months Ended |
--- | --- | --- | ---
Jan. 03, 2016 | Jan. 01, 2017 | Jan. 03, 2016 | Dec. 05, 2016
Short-term Debt [Line Items] |  |  |  |
Short-term borrowings | $ 55,500,000 | $ 0 | $ 55,500,000 |
The Facility | Revolving Line of Credit |  |  |  |
Short-term Debt [Line Items] |  |  |  |
Maximum borrowing capacity | $ 200,000,000.0 |  | 200,000,000.0 | $ 150,000,000.0
Securitization facility term | 5 years |  |  |
Short-term borrowings | $ 0 | 0 | 0 |
Remaining borrowing capacity | 200,000,000 | $ 150,000,000 | $ 200,000,000 |
The Facility | Revolving Line of Credit | Facility Fee |  |  |  |
Short-term Debt [Line Items] |  |  |  |
Commitment fee percentage (in basis points) |  | 17.50% | 20.00% |
Securitization Facility |  |  |  |
Short-term Debt [Line Items] |  |  |  |
Maximum borrowing capacity | 150,000,000.0 |  | $ 150,000,000.0 | $ 200,000,000.0
Short-term borrowings | 50,000,000 | $ 0 | 50,000,000 |
Remaining borrowing capacity | $ 51,000,000 | 149,600,000 | $ 51,000,000 |
Interest rate | 0.82% |  | 0.82% |
Securitization Facility | Standby Letter of Credit Related to Workers' Compensation |  |  |  |
Short-term Debt [Line Items] |  |  |  |
Letters of credit outstanding | $ 49,000,000 | $ 50,400,000 | $ 49,000,000 |
Interest rate | 0.40% | 0.50% | 0.40% |
Securitization Facility | Facility Fee |  |  |  |
Short-term Debt [Line Items] |  |  |  |
Commitment fee percentage (in basis points) |  | 40.00% |  |
Unsecured Uncommitted Short-term Local Credit Facilities |  |  |  |
Short-term Debt [Line Items] |  |  |  |
Maximum borrowing capacity |  | $ 8,600,000 |  |
Short-term borrowings | $ 5,500,000 | $ 0 | $ 5,500,000 |
Interest rate | 15.70% |  | 15.70% |

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