Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019
Current assets:
Cash and cash equivalents	$ 614,846	$ 203,824	$ 141,400
Trade accounts receivable, net	600,698	504,986	596,601
Inventories	697,808	633,005	686,213
Prepaid expenses and other current assets	68,993	64,993	70,622
Total current assets	1,982,345	1,406,808	1,494,836
Property, plant and equipment, net	1,553,867	1,570,331	1,511,718
Goodwill	1,148,991	1,142,223	1,141,202
Other intangible assets, net	356,542	354,615	374,809
Other assets, net	486,793	457,082	402,008
Assets, Total	5,528,538	4,931,059	4,924,573
Current liabilities:
Revolving loans and current portion of long-term debt	854,653	29,813	578,001
Trade accounts payable	504,481	727,053	536,909
Accrued payroll and related costs	66,772	66,866	61,874
Accrued liabilities	217,928	194,797	122,001
Total current liabilities	1,643,834	1,018,529	1,298,785
Long-term debt	2,174,571	2,214,608	2,113,575
Deferred income taxes	264,047	254,836	273,345
Other liabilities	425,511	419,764	338,661
Stockholders’ equity:
Common stock	1,751	1,751	1,751
Paid-in capital	292,283	289,422	276,435
Retained earnings	2,184,691	2,141,302	2,031,487
Accumulated other comprehensive loss	(297,697)	(259,742)	(272,431)
Treasury stock	(1,160,453)	(1,149,411)	(1,137,035)
Total stockholders’ equity	1,020,575	1,023,322	900,207
Liabilities and Equity, Total	$ 5,528,538	$ 4,931,059	$ 4,924,573