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v3.20.1

Long-Term Debt (Narrative) (Details) - USD ($) |  | 3 Months Ended
--- | --- | ---
Mar. 20, 2020 | Mar. 28, 2020 | Mar. 30, 2019
Debt Instrument [Line Items] |  |  |
Repayment of long-term debt |  | $ 33,000 | $ 1,155,000
Credit Agreement 2020 |  |  |
Debt Instrument [Line Items] |  |  |
Line of credit facility, accordion feature, increase limit | $ 25,000,000 |  |
Credit Agreement 2020 | Base Rate |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread on variable rate | 0.25% |  |
Credit Agreement 2020 | LIBOR Or CDOR | Minimum |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread on variable rate | 1.50% |  |
Fee on unused capacity (percentage) | 0.25% |  |
Credit Agreement 2020 | LIBOR Or CDOR | Maximum |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread on variable rate | 2.75% |  |
Fee on unused capacity (percentage) | 0.40% |  |
Revolving Credit Facility | Credit Agreement 2020 |  |  |
Debt Instrument [Line Items] |  |  |
Aggregate principal | $ 75,000,000.0 |  |
Revolving Credit Facility | Credit Agreement 2015 |  |  |
Debt Instrument [Line Items] |  |  |
Repayment of long-term debt | 34,000,000 |  |
Letter of Credit | Credit Agreement 2020 |  |  |
Debt Instrument [Line Items] |  |  |
Aggregate principal | 10,000,000.0 |  |
U.S. Closing Date Term Facility | Credit Agreement 2015 |  |  |
Debt Instrument [Line Items] |  |  |
Repayment of long-term debt | 2,000,000 |  |
U.S. Delayed Draw Facility | Credit Agreement 2015 |  |  |
Debt Instrument [Line Items] |  |  |
Aggregate principal | $ 5,000,000.0 |  |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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