CONSOLIDATED CONDENSED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
CURRENT ASSETS:
Cash and cash equivalents	$ 12,055	$ 22,855
Trade accounts receivable, net	242,855	219,494
Inventories	413,025	414,449
Prepaid expenses and other current assets	53,755	50,072
TOTAL CURRENT ASSETS	721,690	706,870
OTHER ASSETS	37,783	38,730
INTANGIBLE ASSETS, NET	11,946	12,660
GOODWILL	440,610	444,365
PROPERTY, PLANT AND EQUIPMENT:
Land	51,684	52,271
Buildings	311,114	298,743
Machinery and equipment	685,475	674,011
Construction in progress	51,319	34,439
Property, plant and Equipment, Gross, Total	1,099,592	1,059,464
Less accumulated depreciation	(627,564)	(607,925)
Property, Plant and Equipment, Net, Total	472,028	451,539
TOTAL ASSETS	1,684,057	1,654,164
CURRENT LIABILITIES:
Trade accounts payable	91,166	93,851
Accrued salaries, wages and withholdings from employees	22,374	29,088
Other accrued expenses	50,060	56,985
Income taxes	4,870	4,377
Short-term borrowings	17,789	22,974
TOTAL CURRENT LIABILITIES	186,259	207,275
OTHER LIABILITIES	31,756	33,005
ACCRUED EMPLOYEE AND RETIREE BENEFITS	54,924	52,252
LONG-TERM DEBT	340,048	312,422
SHAREHOLDERS' EQUITY:
Common stock	5,396	5,396
Additional paid-in capital	96,954	94,187
Earnings reinvested in the business	1,111,873	1,069,610
Treasury stock, at cost	(96,654)	(80,935)
Accumulated other comprehensive loss	(46,499)	(39,048)
TOTAL SHAREHOLDERS' EQUITY	1,071,070	1,049,210
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 1,684,057	$ 1,654,164