CONSOLIDATED CONDENSED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
CURRENT ASSETS:
Cash and cash equivalents	$ 29,882	$ 31,901
Trade accounts receivable, net	273,109	255,350
Inventories	462,108	490,757
Prepaid expenses and other current assets	46,988	44,857
TOTAL CURRENT ASSETS	812,087	822,865
OTHER ASSETS	88,263	66,788
DEFERRED TAX ASSETS	11,103	9,189
INTANGIBLE ASSETS, NET	17,715	18,867
GOODWILL	415,164	416,175
PROPERTY, PLANT, AND EQUIPMENT:
Land	37,367	36,787
Buildings	322,587	318,463
Machinery and equipment	705,468	688,003
Construction in progress	27,789	34,772
Property, plant, and equipment, gross	1,093,211	1,078,025
Less accumulated depreciation	(612,048)	(586,969)
Property, plant, and equipment, net	481,163	491,056
TOTAL ASSETS	1,825,495	1,824,940
CURRENT LIABILITIES:
Trade accounts payable	108,095	131,812
Accrued salaries, wages, and withholdings from employees	20,832	23,410
Other accrued expenses	40,297	31,198
Income taxes	5,108	8,234
Short-term borrowings	20,337	20,046
TOTAL CURRENT LIABILITIES	194,669	214,700
DEFERRED TAX LIABILITIES	29,984	28,976
OTHER LIABILITIES	22,310	8,554
ACCRUED EMPLOYEE AND RETIREE BENEFITS	24,313	23,210
LONG-TERM DEBT	656,737	689,553
SHAREHOLDERS' EQUITY:
Common stock	5,396	5,396
Additional paid-in capital	98,037	101,663
Earnings reinvested in the business	1,552,928	1,516,243
Treasury stock, at cost	(595,336)	(597,800)
Accumulated other comprehensive loss	(163,543)	(165,555)
TOTAL SHAREHOLDERS' EQUITY	897,482	859,947
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 1,825,495	$ 1,824,940