CONSOLIDATED CONDENSED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
CURRENT ASSETS:
Cash and cash equivalents	$ 33,896	$ 31,901
Trade accounts receivable, net	273,800	255,350
Inventories	468,324	490,757
Prepaid expenses and other current assets	50,276	44,857
TOTAL CURRENT ASSETS	826,296	822,865
OTHER ASSETS	87,891	66,788
DEFERRED TAX ASSETS	8,653	9,189
INTANGIBLE ASSETS, NET	18,295	18,867
GOODWILL	413,710	416,175
PROPERTY, PLANT AND EQUIPMENT:
Land	36,467	36,787
Buildings	319,242	318,463
Machinery and equipment	695,811	688,003
Construction in progress	32,973	34,772
Property, plant and equipment, gross	1,084,493	1,078,025
Less accumulated depreciation	(598,467)	(586,969)
Property, plant and equipment, net	486,026	491,056
TOTAL ASSETS	1,840,871	1,824,940
CURRENT LIABILITIES:
Trade accounts payable	108,381	131,812
Accrued salaries, wages and withholdings from employees	20,255	23,410
Other accrued expense	38,703	31,198
Income taxes	10,031	8,234
Short-term borrowings	20,082	20,046
TOTAL CURRENT LIABILITIES	197,452	214,700
DEFERRED TAX LIABILITIES	31,097	28,976
OTHER LIABILITIES	21,845	8,554
ACCRUED EMPLOYEE AND RETIREE BENEFITS	23,801	23,210
LONG-TERM DEBT	688,952	689,553
SHAREHOLDERS' EQUITY:
Common stock	5,396	5,396
Additional paid-in capital	100,485	101,663
Earnings reinvested in the business	1,533,832	1,516,243
Treasury stock, at cost	(595,718)	(597,800)
Accumulated other comprehensive loss	(166,271)	(165,555)
TOTAL SHAREHOLDERS' EQUITY	877,724	859,947
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 1,840,871	$ 1,824,940