Income Taxes Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 30, 2021	Jan. 25, 2020	Jan. 30, 2021	Jan. 25, 2020
Income Tax Disclosure [Abstract]
Income Tax Expense (Benefit)	$ (18,724)	$ (3,182)	$ (35,334)	$ 1,683
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	$ (67,013)	$ (4,875)	$ (122,760)	$ 3,766
Effective Income Tax Rate Reconciliation, Percent	27.90%	65.30%	28.80%	44.70%