CONSOLIDATED CONDENSED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
CURRENT ASSETS:
Cash and cash equivalents	$ 29,109	$ 25,865
Trade accounts receivable, net	202,343	194,509
Inventories	410,067	404,320
Prepaid expenses and other current assets	51,422	50,974
Assets held for sale	6,788	41,393
TOTAL CURRENT ASSETS	699,729	717,061
OTHER ASSETS	70,298	70,462
DEFERRED TAX ASSETS	6,787	12,120
INTANGIBLE ASSETS, NET	7,900	8,126
GOODWILL	387,906	383,568
PROPERTY, PLANT AND EQUIPMENT:
Land	32,925	33,015
Buildings	283,677	265,157
Machinery and equipment	686,858	643,869
Construction in progress	35,218	79,981
Property, plant and equipment, gross	1,038,678	1,022,022
Less accumulated depreciation	(560,096)	(545,499)
Property, plant and equipment, net	478,582	476,523
TOTAL ASSETS	1,651,202	1,667,860
CURRENT LIABILITIES:
Trade accounts payable	81,260	92,450
Accrued salaries, wages and withholdings from employees	19,606	26,502
Other accrued expenses	55,774	54,752
Income taxes	14,163	14,080
Short-term borrowings	20,281	20,578
Liabilities held for sale	0	5,313
TOTAL CURRENT LIABILITIES	191,084	213,675
DEFERRED INCOME TAXES	11,375	9,650
OTHER LIABILITIES	6,278	6,103
ACCRUED EMPLOYEE AND RETIREE BENEFITS	20,430	19,911
LONG-TERM DEBT	572,200	582,780
SHAREHOLDERS' EQUITY:
Common stock	5,396	5,396
Additional paid-in capital	108,593	107,686
Earnings reinvested in the business	1,378,809	1,378,923
Treasury stock, at cost	(453,577)	(442,799)
Accumulated other comprehensive loss	(189,386)	(213,465)
TOTAL SHAREHOLDERS' EQUITY	849,835	835,741
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 1,651,202	$ 1,667,860