Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Dec. 28, 2019	Dec. 29, 2018
Assets [Abstract]
Accounts Receivable, Allowance for Credit Loss, Current	$ 8,802	$ 7,830
Stockholders’ equity:
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	250,000,000	250,000,000
Common stock, shares, issued (in shares)	168,620,314	168,098,177
Treasury stock (in shares)	4,845,203	3,437,579

Amount of allowance for credit loss on accounts receivable, classified as current.

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