CONSOLIDATED BALANCE SHEET (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Jan. 23, 2016	Apr. 25, 2015
Current assets
Receivables, allowance (in dollars)	$ 3,118	$ 4,622
Shareholders' equity
Preferred shares, authorized (in shares)	5,000	5,000
Preferred shares, issued (in shares)	0	0
Common shares, par value (in dollars per share)	$ 1	$ 1
Common shares, authorized (in shares)	150,000	150,000
Common shares, outstanding (in shares)	49,891	50,747