CONSOLIDATED BALANCE SHEET (Unaudited) (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Jan. 25, 2014	Apr. 27, 2013
Current assets
Receivables, allowance	$ 12,706	$ 21,607
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)	52,419	52,392