Derivative Financial Instruments - Gains (Losses) Of Cash Flow Hedges (Details) - Foreign Exchange Forward - USD ($) $ in Thousands	12 Months Ended
Dec. 25, 2021	Dec. 26, 2020	Dec. 28, 2019
Not Designated as Hedging Instrument \| Other income, net
Derivatives, Fair Value [Line Items]
Foreign exchange forward contracts	$ 1,585	$ (1,437)	$ 248
Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Amount of Gain or (Loss) Recognized in OCI on Derivative (Effective Portion)	(1,096)	1,142	93
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	251	191	(773)
Designated as Hedging Instrument \| Cost of revenues
Derivatives, Fair Value [Line Items]
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	184	89	(526)
Designated as Hedging Instrument \| Research and development
Derivatives, Fair Value [Line Items]
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	3	77	(75)
Designated as Hedging Instrument \| Selling, general and administrative
Derivatives, Fair Value [Line Items]
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	$ 64	$ 25	$ (172)

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

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-Publisher FASB
-Name Accounting Standards Codification
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Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

+ References

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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.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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