Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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

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- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 10
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
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-Topic 210
-SubTopic 20
-Section 50
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- Definition

The percentage points added to the reference rate to compute the variable rate on the interest rate derivative.

+ References

No definition available.

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

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- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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-SubTopic 20
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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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.

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No definition available.

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- Definition

Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Variable interest rate in effect as of the balance sheet date related to the interest rate derivative.

+ References

No definition available.

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Derivatives and Hedging - Narrative (Details)			6 Months Ended
Derivatives and Hedging - Narrative (Details)	Nov. 08, 2018 USD ($)	Jan. 08, 2018 USD ($)	Jun. 29, 2019 USD ($)	Jun. 29, 2019 CAD ($)	Dec. 29, 2018 USD ($)	Dec. 29, 2018 CAD ($)
Interest Rate Swap Agreement - 2018 Swap 1
Derivative [Line Items]
Term of derivative instrument		3 years
Interest Rate Swap Agreement - 2018 Swap 2
Derivative [Line Items]
Term of derivative instrument	3 years
Not Designated as Hedging Instrument \| Interest rate swaps
Derivative [Line Items]
Gain (loss) on change in fair value			$ 2,902,000
Not Designated as Hedging Instrument \| Interest Rate Swap Agreement - 2018 Swap 1
Derivative [Line Items]
Notional amount of derivative instrument		$ 90,000,000
Fixed interest rate		2.30%
Basis spread on variable rate		4.00%
Variable interest rate		6.30%
Not Designated as Hedging Instrument \| Interest Rate Swap Agreement - 2018 Swap 2
Derivative [Line Items]
Notional amount of derivative instrument	$ 60,000,000
Fixed interest rate	2.40%
Basis spread on variable rate	4.00%
Variable interest rate	6.40%
Not Designated as Hedging Instrument \| Foreign exchange forward contracts
Derivative [Line Items]
Notional amount of derivative instrument				$ 3,626,000		$ 5,790,000
Derivative liability					$ 152,000
Gain (loss) on change in fair value			(146,000)
Derivative asset			73,000
Other noncurrent liabilities \| Not Designated as Hedging Instrument \| Interest rate swaps
Derivative [Line Items]
Derivative liability			$ (3,886,000)
Other noncurrent liabilities \| Not Designated as Hedging Instrument \| Interest Rate Swap Agreement - 2018 Swap 2
Derivative [Line Items]
Derivative liability					(1,378,000)
Other noncurrent assets \| Not Designated as Hedging Instrument \| Interest Rate Swap Agreement - 2018 Swap 1
Derivative [Line Items]
Derivative asset					$ 394,000