CONSOLIDATED BALANCE SHEET (Parenthetical) - USD ($) $ in Thousands	Apr. 30, 2022	Apr. 24, 2021
Current assets
Receivables, allowance	$ 3,406	$ 4,011
Shareholders' equity
Preferred shares, authorized (in shares)	5,000,000	5,000,000
Preferred shares, issued (in shares)	0	0
Common shares, par value (in dollars per share)	$ 1	$ 1
Common shares, authorized (in shares)	150,000,000	150,000,000
Common shares, outstanding (in shares)	43,089,000	45,361,000