Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 402,565	$ 580,893
Trade accounts and notes receivable, net	347,413	264,392
Inventories, net	475,213	323,944
Deferred tax charges and refundable income taxes	35,312	21,136
Other current assets	52,867	43,892
Total current assets	1,313,370	1,234,257
Property, plant and equipment, net	654,098	525,367
Other assets:
Right-of-use assets	66,563	45,924
Goodwill	793,702	748,037
Intangible assets, net	335,113	337,632
Deferred tax assets and other noncurrent tax assets	17,671	14,519
Other noncurrent assets	11,379	11,960
Total assets	3,191,896	2,917,696
Current liabilities:
Accounts payable	130,734	81,618
Accrued payroll and related benefits	108,818	94,364
Other accrued liabilities	90,313	82,648
Income taxes payable	49,136	43,996
Total current liabilities	379,001	302,626
Long-term debt, excluding current maturities	937,027	1,085,783
Pension benefit obligations and other liabilities	37,816	36,457
Deferred tax liabilities and other noncurrent tax liabilities	64,170	73,606
Long-term lease liabilities	60,101	39,730
Commitments and contingent liabilities	0	0
Equity:
Preferred stock, par value $.01; 5,000,000 shares authorized; none issued and outstanding	0	0
Common stock, par value $.01; 400,000,000 shares authorized; issued and outstanding shares as of December 31, 2021: 135,719,366 and 135,516,966, respectively; issued and outstanding shares as of December 31, 2020: 135,148,774 and 134,946,374, respectively	1,357	1,351
Treasury stock, common, at cost: 202,400 shares held as of December 31, 2021 and December 31, 2020	(7,112)	(7,112)
Additional paid-in capital	879,845	844,850
Retained earnings	879,776	577,833
Accumulated other comprehensive loss	(40,085)	(37,428)
Total equity	1,713,781	1,379,494
Total liabilities and equity	$ 3,191,896	$ 2,917,696