Condensed Consolidated Balance Sheet (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data	Oct. 01, 2011	Jan. 01, 2011
Current Assets:
Accounts receivable, allowances	$ 2,409	$ 2,185
Shareholders' Investment:
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized (in shares)	5,000,000	5,000,000
Preferred stock, issued (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	150,000,000	150,000,000
Common stock, issued (in shares)	14,624,159	14,624,159
Treasury stock at cost, shares (in shares)	2,700,303	2,369,422