Revenue Recognition - Additional Information (Detail)	6 Months Ended
	Oct. 27, 2018 USD ($)
Difference between Revenue Guidance in Effect before and after Topic 606 | ASU 2014-09
Deferred Revenue Arrangement [Line Items]
Gift card liabilities reclassified amount	$ (90,147,000)
Difference between Revenue Guidance in Effect before and after Topic 606 | ASU 2014-09 | Retained Earnings
Deferred Revenue Arrangement [Line Items]
Cumulative effect of adjustment, net of tax	70,044,000
Annual Fee
Deferred Revenue Arrangement [Line Items]
Non-refundable, after first 30 days, annual fee	$ 25