CONSOLIDATED CONDENSED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
CURRENT ASSETS:
Cash and cash equivalents	$ 36,760	$ 29,344
Trade accounts receivable, net	271,268	195,439
Inventories	484,811	463,517
Prepaid expenses and other current assets	40,152	43,206
Assets held for sale	1,903	1,969
TOTAL CURRENT ASSETS	834,894	733,475
OTHER ASSETS	67,178	68,251
DEFERRED TAX ASSETS	10,868	7,885
INTANGIBLE ASSETS, NET	12,843	7,211
GOODWILL	422,953	408,995
PROPERTY, PLANT AND EQUIPMENT:
Land	37,043	35,198
Buildings	319,969	317,464
Machinery and equipment	707,662	687,896
Construction in progress	39,140	40,833
Property, plant and equipment, gross	1,103,814	1,081,391
Less accumulated depreciation	(611,643)	(582,868)
Property, plant and equipment, net	492,171	498,523
TOTAL ASSETS	1,840,907	1,724,340
CURRENT LIABILITIES:
Trade accounts payable	97,027	109,780
Accrued salaries, wages and withholdings from employees	22,215	23,613
Other accrued expenses	51,842	51,764
Income taxes	2,994	11,036
Short-term borrowings	20,096	20,130
TOTAL CURRENT LIABILITIES	194,174	216,323
DEFERRED TAX LIABILITIES	24,638	18,724
OTHER LIABILITIES	7,820	13,539
ACCRUED EMPLOYEE AND RETIREE BENEFITS	22,094	19,294
LONG-TERM DEBT	746,012	604,159
SHAREHOLDERS' EQUITY:
Common stock	5,396	5,396
Additional paid-in capital	102,703	107,176
Earnings reinvested in the business	1,497,218	1,414,485
Treasury stock, at cost	(597,800)	(525,422)
Accumulated other comprehensive loss	(161,348)	(149,334)
TOTAL SHAREHOLDERS' EQUITY	846,169	852,301
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 1,840,907	$ 1,724,340