Summary of Significant Accounting Policies - Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
Apr. 24, 2021	Apr. 25, 2020	Apr. 27, 2019
Accounting Policies [Abstract]
Income tax expense related to cash flow hedge losses	$ 321	$ 2,460	$ 620

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e640-108580

Name:	us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration