Summary of Significant Accounting Policies (Details) $ in Millions	2 Months Ended	12 Months Ended
	Jun. 29, 2020 plan	Apr. 30, 2020 USD ($) plan	Apr. 30, 2019 USD ($)	Apr. 30, 2018 USD ($)	Apr. 30, 2020 MXN ($)	Apr. 30, 2020 USD ($)	May 01, 2019 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Advertising costs		$ 33,900,000	$ 38,900,000	$ 40,100,000
Impairment of long-lived assets		0	0	0
Impairment of goodwill		0	0	0
Impairment of intangible assets		$ 0	0	0
Number of defined benefit pension plans | plan		2
Operating lease right-of-use assets						$ 127,668,000
Operating lease liability						131,350,000
Accounting Standards Update 2016-02 [Member]
Summary Of Significant Accounting Policies [Line Items]
Operating lease right-of-use assets							$ 80,400,000
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Intangible assets, useful life		3 years
Minimum [Member] | Accounting Standards Update 2016-02 [Member]
Summary Of Significant Accounting Policies [Line Items]
Operating lease liability						95,000,000
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Intangible assets, useful life		6 years
Maximum [Member] | Accounting Standards Update 2016-02 [Member]
Summary Of Significant Accounting Policies [Line Items]
Operating lease liability						115,000,000
Buildings And Improvements [Member] | Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment useful lives		15 years
Buildings And Improvements [Member] | Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment useful lives		30 years
Machinery And Equipment [Member] | Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment useful lives		3 years
Machinery And Equipment [Member] | Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment useful lives		12 years
Promotional Display [Member]
Summary Of Significant Accounting Policies [Line Items]
Amortization		$ 8,200,000	$ 6,400,000	$ 4,500,000
Promotional Display [Member] | Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment useful lives		24 months
Promotional Display [Member] | Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment useful lives		60 months
Subsequent Event
Summary Of Significant Accounting Policies [Line Items]
Number of defined benefit pension plans | plan	1
Forward Contracts [Member]
Summary Of Significant Accounting Policies [Line Items]
Derivative, Notional Amount					$ 327.0
Derivative Liability						$ 1,100,000
Forward Contracts [Member] | Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Derivative, Forward Exchange Rate					22.18	22.18
Forward Contracts [Member] | Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Derivative, Forward Exchange Rate					23.42	23.42