CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 28, 2019	Dec. 29, 2018
Allowance for Doubtful Accounts Receivable, Current	$ 14,886	$ 13,608
Less accumulated depreciation	(197,629)	(167,737)
Finite-Lived Intangible Assets, Accumulated Amortization	$ (333,507)	$ (268,414)
Preferred stock, par value (in usd per share)	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized	2,000,000	2,000,000
Preferred stock, shares issued	0	0
Common Stock, Shares Authorized	95,000,000	95,000,000
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, shares issued	63,129,775	62,592,707
Treasury Stock, Shares	6,940,089	6,889,241

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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A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

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Face amount or stated value per share of common stock.

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