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Condensed Consolidated Balance Sheet (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Sep. 26, 2020	Dec. 28, 2019
Stockholders' Equity:
Allowance for credit losses	$ 3,113	$ 2,698
Accumulated depreciation	$ 103,664	$ 95,309
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 (in shares)	3,114,599	3,214,888

X

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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