Consolidated Balance Sheets (unaudited) (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2011	Oct. 01, 2011
Current Assets:
Accounts receivable, allowances for doubtful accounts	$ 1,601	$ 1,534
Shareholders' Investment:
Common stock, par value (in dollars per share)	$ 0.25	$ 0.25
Common stock, shares authorized (in shares)	64,000	64,000
Common stock, shares issued (in shares)	15,772	15,632
Common stock, shares outstanding (in shares)	15,772	15,632