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.

No definition available.

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- Definition

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
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- Definition

The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Derivatives - Schedule of Gains and Losses on Derivative Instruments (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended		12 Months Ended
	Oct. 28, 2018	Oct. 28, 2018	Oct. 29, 2017	Apr. 29, 2018
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amt of Gain (Loss) (net of tax) Recognized in OCI on Derivative (Effective Portion) and recorded in Accrued Expenses at Fair Value	$ 41	$ 56		$ (55)
Cash Flow Hedge [Member] \| Foreign Currency Contract [Member] \| EURO [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amt of Gain (Loss) (net of tax) Recognized in OCI on Derivative (Effective Portion) and recorded in Accrued Expenses at Fair Value		56
Other Expense [Member] \| Cash Flow Hedge [Member] \| Foreign Currency Contract [Member] \| EURO [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)		(64)
Amount of Gain (loss) (net of tax) Recognized in Income on Derivative (Ineffective Portion and Amount Excluded from Effectiveness Testing)		$ 0	$ 0