CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 29, 2018	Dec. 30, 2017
Allowance for Doubtful Accounts Receivable, Current	$ 13,608	$ 13,182
Less accumulated depreciation	(167,737)	(142,278)
Finite-Lived Intangible Assets, Accumulated Amortization	$ (268,414)	$ (207,334)
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	62,592,707	62,619,865
Treasury Stock, Shares	6,889,241	6,889,241