Leases - Supplemental Information Related to Leases (Details) $ in Thousands	9 Months Ended
	Jan. 25, 2020 USD ($)
Leases [Abstract]
Cash paid for amounts included in the measurement of operating lease liabilities	$ 28,322
Lease assets obtained in exchange for new operating lease liabilities	$ 22,854
Weighted-average remaining lease term - operating leases	3 years 2 months 12 days
Weighted-average discount rate - operating leases	3.61%