Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020	Jun. 30, 2020
Current assets:
Cash and cash equivalents	$ 164,821	$ 409,481	$ 191,082
Trade accounts receivable, net	891,812	619,535	729,275
Inventories	907,805	677,534	821,448
Prepaid expenses and other current assets	88,818	92,643	85,918
Total current assets	2,053,256	1,799,193	1,827,723
Property, plant and equipment, net	1,832,885	1,840,758	1,729,481
Goodwill	1,719,815	1,741,496	1,668,614
Other intangible assets, net	609,882	637,208	635,156
Other assets, net	508,481	492,931	512,082
Assets, total	6,724,319	6,511,586	6,373,056
Current liabilities:
Revolving loans and current portion of long-term debt	240,859	28,036	391,418
Trade accounts payable	727,523	802,541	601,740
Accrued payroll and related costs	112,270	130,088	103,458
Accrued liabilities	234,503	230,955	266,512
Total current liabilities	1,315,155	1,191,620	1,363,128
Long-term debt	3,176,393	3,223,217	3,106,425
Deferred income taxes	360,027	355,995	357,131
Other liabilities	484,164	487,881	456,678
Stockholders’ equity:
Common stock	1,751	1,751	1,751
Paid-in capital	314,873	306,363	296,639
Retained earnings	2,531,783	2,395,395	2,249,391
Accumulated other comprehensive loss	(263,433)	(260,953)	(297,360)
Treasury stock	(1,196,394)	(1,189,683)	(1,160,727)
Total stockholders’ equity	1,388,580	1,252,873	1,089,694
Liabilities and equity, total	$ 6,724,319	$ 6,511,586	$ 6,373,056