Consolidated Balance Sheet (Parenthetical) - USD ($) $ in Thousands	Jan. 02, 2021	Dec. 28, 2019
Statement of Financial Position [Abstract]
Accounts receivable, allowances	$ 2,977	$ 2,698
Preferred stock, par value (in usd 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 usd 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 (in shares)	3,081,919	3,214,888

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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