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
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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
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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.

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- Definition

Number of foreign currency exchange rate derivatives held by the entity at the reporting date.

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- Definition

Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

+ References

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Derivative Financial Instruments (Details) $ in Thousands		12 Months Ended
Derivative Financial Instruments (Details) $ in Thousands	Dec. 29, 2018 USD ($)	Dec. 29, 2018 USD ($)	Dec. 30, 2017 USD ($) contract	Dec. 31, 2016 USD ($)	Jul. 31, 2016 USD ($)
Derivative Financial Instruments
Reclassification of unrealized gains included in net income		$ (316)	$ 1,808	$ (249)
Non-designated Hedges \| Foreign currency forward contracts
Derivative Financial Instruments
Notional value			$ 2,400
Number of foreign currency forward contract held \| contract			1
Non-designated Hedges \| Foreign currency forward contracts \| Interest income and other, net
Derivative Financial Instruments
Gain (Loss) Recognized in OCI on Derivatives (Effective Portion)		105	$ (207)	$ (92)
Cash flow hedges \| Interest rate swaps
Derivative Financial Instruments
Notional value					$ 72,500
Reclassification of unrealized gains included in net income			$ 1,800
Cash flow hedges \| Foreign currency forward contracts
Derivative Financial Instruments
Notional value	$ 8,800	$ 8,800
Cash flow hedges \| Low end of range \| Foreign currency forward contracts
Derivative Financial Instruments
Maturity of contracts	1 month
Cash flow hedges \| High end of range \| Foreign currency forward contracts
Derivative Financial Instruments
Maturity of contracts	12 months