Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 29, 2012	Dec. 31, 2011
Assets [Abstract]
Allowance for Doubtful Accounts Receivable, Current	$ 2,171	$ 2,241
Finite-Lived Intangible Assets, Accumulated Amortization	$ 73,021	$ 82,364
Stockholders' equity:
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	150,000,000	150,000,000
Common Stock, Shares, Issued	118,622,650	117,591,822
Treasury Stock, Shares	807,659	543,384