CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Oct. 01, 2011
Accounts and notes receivable, allowance for doubtful accounts	$ 2,338	$ 2,194
Preferred stock, without par value
Preferred stock, Authorized	5,000	5,000
Preferred stock, issued
Common stock, no par value
Common stock, Authorized	200,000	200,000
Common stock, issued	78,638	77,733
Common stock, outstanding	73,684	72,779
Treasury stock, shares	4,954	4,954