CONSOLIDATED CONDENSED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
CURRENT ASSETS:
Cash and cash equivalents	$ 17,463	$ 19,836
Trade accounts receivable, net	262,220	233,751
Inventories	467,331	474,452
Prepaid expenses and other current assets	70,207	61,786
TOTAL CURRENT ASSETS	817,221	789,825
OTHER ASSETS	85,760	47,786
INTANGIBLE ASSETS, NET	9,474	10,546
GOODWILL	457,749	457,269
PROPERTY, PLANT AND EQUIPMENT:
Land	47,232	56,343
Buildings	335,014	374,388
Machinery and equipment	736,593	751,267
Construction in progress	60,474	55,236
Property, Plant and Equipment, Gross, Total	1,179,313	1,237,234
Less accumulated depreciation	(653,634)	(671,926)
Property, Plant and Equipment, Net, Total	525,679	565,308
TOTAL ASSETS	1,895,883	1,870,734
CURRENT LIABILITIES:
Trade accounts payable	96,286	99,117
Accrued salaries, wages and withholdings from employees	25,748	32,669
Other accrued expenses	102,558	78,579
Income taxes	5,328	5,478
Short-term borrowings	13,298	7,050
TOTAL CURRENT LIABILITIES	243,218	222,893
OTHER LIABILITIES	30,770	28,495
ACCRUED EMPLOYEE AND RETIREE BENEFITS	27,144	28,538
LONG-TERM DEBT	386,737	348,124
SHAREHOLDERS' EQUITY:
Common stock	5,396	5,396
Additional paid-in capital	106,576	105,119
Earnings reinvested in the business	1,191,759	1,217,874
Treasury stock, at cost	(101,874)	(91,707)
Accumulated other comprehensive income	6,157	6,002
TOTAL SHAREHOLDERS' EQUITY	1,208,014	1,242,684
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 1,895,883	$ 1,870,734