Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jul. 03, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 401,033	$ 580,893
Trade accounts and notes receivable, net of allowance for doubtful accounts of $2,225 and $2,384	309,936	264,392
Inventories, net	387,605	323,944
Deferred tax charges and refundable income taxes	22,622	21,136
Other current assets	38,040	43,892
Total current assets	1,159,236	1,234,257
Property, plant and equipment, net of accumulated depreciation of $611,886 and $574,257	563,258	525,367
Other assets:
Right-of-use assets	59,117	45,924
Goodwill	749,566	748,037
Intangible assets, net of accumulated amortization of $470,006 and $445,795	314,496	337,632
Deferred tax assets and other noncurrent tax assets	14,994	14,519
Other	12,064	11,960
Total assets	2,872,731	2,917,696
Current liabilities:
Accounts payable	92,969	81,618
Accrued payroll and related benefits	66,332	94,364
Other accrued liabilities	80,495	82,648
Income taxes payable	20,734	43,996
Total current liabilities	260,530	302,626
Long-term debt, excluding current maturities, net of unamortized discount and debt issuance costs of $8,618 and $9,217	936,382	1,085,783
Pension benefit obligations and other liabilities	39,230	36,457
Deferred tax liabilities and other noncurrent tax liabilities	67,511	73,606
Long-term lease liability	53,747	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 July 3, 2021 and December 31, 2020	0	0
Common stock, par value $.01; 400,000,000 shares authorized; issued and outstanding shares as of July 3, 2021: 135,823,851 and 135,621,451, respectively; issued and outstanding shares as of December 31, 2020: 135,148,774 and 134,946,374, respectively	1,358	1,351
Treasury stock, at cost: 202,400 shares held as of July 3, 2021 and December 31, 2020	(7,112)	(7,112)
Additional paid-in capital	859,520	844,850
Retained earnings	701,213	577,833
Accumulated other comprehensive loss	(39,648)	(37,428)
Total equity	1,515,331	1,379,494
Total liabilities and equity	$ 2,872,731	$ 2,917,696