Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 28, 2020	Dec. 28, 2019
Assets:
Accounts Receivable, Allowance for Credit Loss, Current	$ 9,606	$ 8,802
Property, plant and equipment, accumulated depreciation	1,480,244	1,438,388
Intangible assets, accumulated amortization	$ 485,655	$ 482,442
Stockholders’ equity:
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized	250,000,000	250,000,000
Common stock, shares issued	169,076,043	168,620,314
Treasury stock, shares	7,218,079	4,845,203