Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 580,893	$ 351,911
Trade accounts and notes receivable, net	264,392	234,409
Inventories, net	323,944	287,098
Deferred tax charges and refundable income taxes	21,136	24,552
Other current assets	43,892	34,427
Total current assets	1,234,257	932,397
Property, plant and equipment, net	525,367	479,544
Other assets:
Right-of-use assets	45,924	50,160
Goodwill	748,037	695,044
Intangible assets, net	337,632	333,952
Deferred tax assets and other noncurrent tax assets	14,519	11,245
Other noncurrent assets	11,960	13,744
Total assets	2,917,696	2,516,086
Current liabilities:
Long-term debt, current maturities	0	4,000
Accounts payable	81,618	84,207
Accrued payroll and related benefits	94,364	62,340
Other accrued liabilities	82,648	87,778
Income taxes payable	43,996	26,108
Total current liabilities	302,626	264,433
Long-term debt, excluding current maturities	1,085,783	932,484
Pension benefit obligations and other liabilities	36,457	37,867
Deferred tax liabilities and other noncurrent tax liabilities	73,606	71,586
Long-term lease liabilities	39,730	43,827
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, 2020: 135,148,774 and 134,946,374, respectively; issued and outstanding shares as of December 31, 2019: 134,929,768 and 134,727,368, respectively	1,351	1,349
Treasury stock, common, at cost: 202,400 shares held as of December 31, 2020 and December 31, 2019	(7,112)	(7,112)
Additional paid-in capital	844,850	842,784
Retained earnings	577,833	366,127
Accumulated other comprehensive loss	(37,428)	(37,259)
Total equity	1,379,494	1,165,889
Total liabilities and equity	$ 2,917,696	$ 2,516,086