Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current Assets:
Cash and cash equivalents	$ 126,956	$ 173,750
Receivables, net	470,275	436,914
Inventories (Note 6)	368,372	402,531
Other current assets	40,921	31,607
Total current assets	1,006,524	1,044,802
Property, Plant and Equipment:
Cost	2,443,605	2,370,552
Less: Accumulated depreciation	(1,323,476)	(1,297,255)
Property, plant and equipment, net	1,120,129	1,073,297
Goodwill, net	97,348	95,922
Other intangible assets, net	57,402	58,026
Long-term investments (Note 3)	23,254	23,294
Operating lease assets (Note 7)	65,995	62,540
Other non-current assets	75,285	75,291
Total assets	2,445,937	2,433,172
Current Liabilities:
Current maturities of long-term debt (Note 14)	257,298	132,111
Accounts payable	289,126	375,726
Accrued liabilities	116,320	162,812
Total current liabilities	662,744	670,649
Deferred income taxes	9,469	10,179
Long-term debt, less current maturities (Note 14)	453,742	455,029
Non-current operating lease liabilities (Note 7)	53,713	50,559
Other non-current liabilities	76,356	80,691
Commitments and Contingencies (Note 8)
Equity:
Common stock, $1 par value; authorized 60,000,000 shares; 26,957,952 issued shares in 2023 and 26,840,843 issued shares in 2022	26,958	26,841
Additional paid-in capital	239,585	237,202
Accumulated other comprehensive loss (Note 11)	(150,548)	(167,512)
Retained earnings	1,258,112	1,250,130
Less: Common treasury stock, at cost, 4,625,811 shares in 2023 and 4,605,858 shares in 2022	(184,194)	(180,596)
Total equity	1,189,913	1,166,065
Total liabilities and equity	$ 2,445,937	$ 2,433,172

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).