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Long-Term Obligations - Additional Information (Details) |  | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Jul. 06, 2018 USD ($) | Dec. 29, 2018 USD ($) | Dec. 29, 2018 USD ($) | Dec. 30, 2017 USD ($) | Dec. 31, 2016 USD ($) | Dec. 01, 2018 USD ($) | Nov. 30, 2018 USD ($) | Apr. 04, 2016 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Payment of debt issuance costs |  |  | $ 934,000 | $ 1,257,000 | $ 27,000 |  |  |
Unamortized debt issuance costs |  | $ 148,000 | 148,000 | 0 |  |  |  |
Loans receivable |  | 692,000 | 692,000 |  |  |  |  |
Outstanding capital lease obligations |  | $ 4,144,000 | 4,144,000 | 4,633,000 |  |  |  |
Commercial Real Estate Loan |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Payment of debt issuance costs |  |  | $ 158,000 |  |  |  |  |
Effective interest rate |  | 4.60% | 4.60% |  |  |  |  |
Revolving credit facility |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Long-term debt |  | $ 141,106,000 | $ 141,106,000 | $ 237,011,000 |  |  |  |
Remaining borrowing capacity |  | $ 258,864,000 | $ 258,864,000 |  |  |  |  |
Weighted average interest rate for long-term obligations |  | 3.47% | 3.47% |  |  |  |  |
Revolving credit facility | 2017 Credit Agreement |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Term of debt agreement |  |  |  | 5 years |  |  |  |
Borrowing capacity available under committed portion |  |  |  |  |  | $ 400,000,000 | $ 300,000,000 |
Additional borrowing capacity |  |  |  |  |  | $ 150,000,000 | $ 100,000,000 |
Basis spread on variable rate floor (as a percentage) |  |  |  | 0.00% |  |  |  |
Maximum amount of unrestricted U.S. cash |  | $ 30,000,000 | $ 30,000,000 |  |  |  |  |
Maximum consolidated leverage ratio |  | 3.75 |  |  |  |  |  |
Minimum consolidated interest coverage ratio |  | 4.00 |  |  |  |  |  |
Long-term debt |  | $ 141,106,000 | 141,106,000 |  |  |  |  |
Payment of debt issuance costs |  |  | 741,000 |  |  |  |  |
Unamortized debt issuance costs |  | 1,735,000 | 1,735,000 | $ 1,285,000 |  |  |  |
Revolving credit facility | Canadian Denominated Borrowing |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Long-term debt |  | 41,612,000 | 41,612,000 |  |  |  |  |
Revolving credit facility | Euro-Denominated Borrowing |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Long-term debt |  | $ 19,494,000 | 19,494,000 |  |  |  |  |
Revolving credit facility | Federal funds rate | 2017 Credit Agreement |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percentage) |  | 0.50% |  |  |  |  |  |
Revolving credit facility | LIBOR | 2017 Credit Agreement |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percentage) |  | 0.50% |  |  |  |  |  |
Revolving credit facility | LIBOR | Minimum | 2017 Credit Agreement |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percentage) |  | 1.00% |  |  |  |  |  |
Revolving credit facility | LIBOR | Maximum | 2017 Credit Agreement |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percentage) |  | 2.25% |  |  |  |  |  |
Senior Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Long-term debt |  | $ 10,000,000 | 10,000,000 |  |  |  |  |
Senior Notes | Note Purchase Agreement |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Additional borrowing capacity |  | 115,000,000 | 115,000,000 |  |  |  |  |
Payment of debt issuance costs |  |  | 193,000 |  |  |  |  |
Principal amount |  | $ 10,000,000 | $ 10,000,000 |  |  |  |  |
Fixed interest rate |  | 4.90% | 4.90% |  |  |  |  |
Senior Notes | Minimum | Note Purchase Agreement |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt prepayment cost |  |  | $ 1,000,000 |  |  |  |  |
Secured Debt | Commercial Real Estate Loan |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Long-term debt | $ 10,500,000 |  |  |  |  |  |  |
Principal amount | 21,000,000 |  |  |  |  |  |  |
Quarterly installment amount | $ 262,500 |  |  |  |  |  |  |
Fixed interest rate | 4.45% |  |  |  |  |  |  |
Capital Lease Obligations | Sale Leaseback Arrangement |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Effective interest rate |  | 1.79% | 1.79% |  |  |  |  |
Net purchase option |  |  |  |  |  |  |  | $ 1,524,000
Outstanding capital lease obligations |  | $ 4,082,000 | $ 4,082,000 |  |  |  |  |
Capital Lease Obligations | Other Capital Lease Obligations |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Outstanding capital lease obligations |  | $ 62,000 | $ 62,000 |  |  |  |  |
Debt Covenant Period One | Secured Debt | Commercial Real Estate Loan |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Prepayment fee | 2.00% |  |  |  |  |  |  |
Debt Covenant Period Two | Secured Debt | Commercial Real Estate Loan |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Prepayment fee | 1.00% |  |  |  |  |  |  |

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