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Derivatives - Additional Information (Details) - USD ($) | 12 Months Ended |  |
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Dec. 29, 2018 | Dec. 30, 2017 | Dec. 31, 2016 | May 31, 2018 | Jan. 16, 2015
Derivatives, Fair Value [Line Items] |  |  |  |  |
Amounts to be reclassified into earnings | $ 8,000 |  |  |  |
Swap Agreement 2018 |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Derivative, floor interest rate | 0.00% |  |  |  |
Forward Currency-Exchange Contracts | Derivatives Not Designated as Hedging Instruments |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Loss on foreign currency derivative instruments, not designated as hedging | $ 27,000 | $ 1,367,000 | $ 797,000 |  |
Cash Flow Hedging | Derivatives Designated as Hedging Instruments |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Rate of effectiveness of derivative agreement | 100.00% |  |  |  |
Cash Flow Hedging | Swap Agreement 2018 | Derivatives Designated as Hedging Instruments |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Notional amount |  |  |  | $ 15,000,000 |
Derivative, fixed interest rate |  |  |  | 3.15% |
Cash Flow Hedging | Swap Agreement 2015 | Derivatives Designated as Hedging Instruments |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Notional amount |  |  |  |  | $ 10,000,000
Cash Flow Hedging | Swap Agreement 2015 | Derivatives Designated as Hedging Instruments | LIBOR |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Derivative, fixed interest rate |  |  |  |  | 1.50%
Cash Flow Hedging | Forward Currency-Exchange Contracts | Derivatives Designated as Hedging Instruments |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Period over which entity manages its level of exposure of risk | 12 months |  |  |  |

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition The period over which the entity typically manages its level of exposure to the risk of currency-exchange fluctuations by hedging a portion of its currency exposures anticipated over the ensuing period. + References No definition available. + Details
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- Definition The percentage of effectiveness of derivative instruments. + References No definition available. + Details
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- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=112277219&loc=d3e80748-113994 + Details
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- Definition Fixed interest rate related to the interest rate derivative. + References No definition available. + Details
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- Definition Floor rate on an interest rate derivative such as an interest rate floor or collar. If market rates falls below the floor rate, a payment or receipt is triggered on the contract. + References No definition available. + Details
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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 Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 + Details
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