Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Oct. 02, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 475,752	$ 580,893
Trade accounts and notes receivable, net of allowance for doubtful accounts of $2,356 and $2,384	315,073	264,392
Inventories, net	429,016	323,944
Deferred tax charges and refundable income taxes	21,760	21,136
Other current assets	34,104	43,892
Total current assets	1,275,705	1,234,257
Property, plant and equipment, net of accumulated depreciation of $632,241 and $574,257	597,630	525,367
Other assets:
Right-of-use assets	56,990	45,924
Goodwill	749,933	748,037
Intangible assets, net of accumulated amortization of $482,098 and $445,795	302,487	337,632
Deferred tax assets and other noncurrent tax assets	17,565	14,519
Other	11,965	11,960
Total assets	3,012,275	2,917,696
Current liabilities:
Accounts payable	120,611	81,618
Accrued payroll and related benefits	90,684	94,364
Other accrued liabilities	91,129	82,648
Income taxes payable	6,989	43,996
Total current liabilities	309,413	302,626
Long-term debt, excluding current maturities, net of unamortized discount and debt issuance costs of $8,296 and $9,217	936,704	1,085,783
Pension benefit obligations and other liabilities	36,118	36,457
Deferred tax liabilities and other noncurrent tax liabilities	66,774	73,606
Long-term lease liability	52,486	39,730
Commitments and contingent liabilities	0	0
Equity:
Preferred stock, par value $.01; 5,000,000 shares authorized; none issued and outstanding as of October 2, 2021 and December 31, 2020	0	0
Common stock, par value $.01; 400,000,000 shares authorized; issued and outstanding shares as of October 2, 2021: 135,724,073 and 135,521,673, respectively; issued and outstanding shares as of December 31, 2020: 135,148,774 and 134,946,374, respectively	1,357	1,351
Treasury stock, at cost: 202,400 shares held as of October 2, 2021 and December 31, 2020	(7,112)	(7,112)
Additional paid-in capital	866,716	844,850
Retained earnings	788,830	577,833
Accumulated other comprehensive loss	(39,011)	(37,428)
Total equity	1,610,780	1,379,494
Total liabilities and equity	$ 3,012,275	$ 2,917,696