CONSOLIDATED BALANCE SHEET (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jul. 28, 2012	Apr. 28, 2012
Current assets
Receivables, allowance	$ 23,052	$ 22,705
Shareholders' equity
Common shares, par value (in dollars per share)	$ 1	$ 1
Common shares, authorized (in shares)	150,000	150,000
Common shares, outstanding (in shares)	52,283	52,244