Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018	Jun. 30, 2018
Current assets:
Cash and cash equivalents	$ 111,341	$ 72,819	$ 181,220
Trade accounts receivable, net	666,681	511,332	648,525
Inventories	822,584	634,806	833,719
Prepaid expenses and other current assets	59,245	71,177	63,361
Total current assets	1,659,851	1,290,134	1,726,825
Property, plant and equipment, net	1,523,850	1,517,510	1,480,390
Goodwill	1,146,363	1,148,302	1,158,910
Other intangible assets, net	369,210	383,448	399,590
Other assets, net	411,944	239,900	293,962
Assets, Total	5,111,218	4,579,294	5,059,677
Current liabilities:
Revolving loans and current portion of long-term debt	886,458	170,214	788,731
Trade accounts payable	598,484	712,739	609,164
Accrued payroll and related costs	68,585	68,773	65,493
Accrued liabilities	143,360	127,342	90,360
Total current liabilities	1,696,887	1,079,068	1,553,748
Long-term debt	1,824,533	2,134,400	2,173,941
Deferred income taxes	270,430	268,036	274,086
Other liabilities	389,466	216,525	219,892
Stockholders’ equity:
Common stock	1,751	1,751	1,751
Paid-in capital	280,636	276,062	268,559
Retained earnings	2,049,995	1,997,785	1,897,417
Accumulated other comprehensive loss	(265,373)	(268,808)	(208,963)
Treasury stock	(1,137,107)	(1,125,525)	(1,120,754)
Total stockholders’ equity	929,902	881,265	838,010
Liabilities and Equity, Total	$ 5,111,218	$ 4,579,294	$ 5,059,677