EQUITY (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014		Dec. 31, 2014	Dec. 31, 2013
Changes in equity
Balance at the beginning of the period	$ 1,285,781		$ 1,530,688
Comprehensive income:
Net income including non-controlling interests	68,318		56,424
Other comprehensive income (loss)	(51,914)		(10,235)
Total comprehensive income (loss)	16,404		46,189
Cash dividends declared - $0.29 per share and $0.23 per share for the three months ended March 31, 2015 and 2014, respectively	(21,920)		(18,501)
Cash dividends declared per share (in dollars per share)	$ 0.29		$ 0.23
Issuance of shares under benefit plans	4,225		7,024
Purchase of shares for treasury	(102,853)		(51,021)
Transactions with Noncontrolling Interests	(1,682)		(2,266)
Balance at the end of the period	1,179,955		1,512,113
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(339,995)		(162,857)		(288,622)	(151,941)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(54,689)		(13,749)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	3,316		2,833
Net Current-Period Other Comprehensive Income (Loss), Net of Tax	(51,373)		(10,916)
Net sales	657,900		685,062
Cost of goods sold	437,510		458,726
Income Tax Expense (Benefit)	24,389		26,002
Shareholders' Equity
Changes in equity
Balance at the beginning of the period	1,282,549		1,526,602
Comprehensive income:
Net income including non-controlling interests	68,354		56,453
Other comprehensive income (loss)	(51,373)		(10,916)
Total comprehensive income (loss)	16,981		45,537
Cash dividends declared - $0.29 per share and $0.23 per share for the three months ended March 31, 2015 and 2014, respectively	(21,920)		(18,501)
Issuance of shares under benefit plans	4,225		7,024
Purchase of shares for treasury	(102,853)		(51,021)
Transactions with Noncontrolling Interests	0		(1,484)
Balance at the end of the period	1,178,982		1,508,157
Noncontrolling Interests
Changes in equity
Balance at the beginning of the period	3,232		4,086
Comprehensive income:
Net income including non-controlling interests	(36)		(29)
Other comprehensive income (loss)	(541)		681
Total comprehensive income (loss)	(577)		652
Cash dividends declared - $0.29 per share and $0.23 per share for the three months ended March 31, 2015 and 2014, respectively	0		0
Issuance of shares under benefit plans	0		0
Purchase of shares for treasury	0		0
Transactions with Noncontrolling Interests	(1,682)		(782)
Balance at the end of the period	973		3,956
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated Other Comprehensive Income (Loss), Net of Tax	1,091		(52)		(9)	369
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	1,322		(710)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(222)	[1]	289	[1]
Net Current-Period Other Comprehensive Income (Loss), Net of Tax	1,100		(421)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Reclassification out of Accumulated Other Comprehensive Income | Sales
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Net sales	(529)		132
Income Tax Expense (Benefit)	(249)		20
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Reclassification out of Accumulated Other Comprehensive Income | Cost of goods sold
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Cost of goods sold	307		157
Income Tax Expense (Benefit)	202		86
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(194,355)		(158,149)		(197,893)	(160,693)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0		0
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	3,538	[2]	2,544	[2]
Net Current-Period Other Comprehensive Income (Loss), Net of Tax	3,538		2,544
Accumulated Defined Benefit Plans Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Income Tax Expense (Benefit)	2,395		1,838
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(146,731)		(4,656)		(90,720)	8,383
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(56,011)	[3]	(13,039)	[3]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0		0
Net Current-Period Other Comprehensive Income (Loss), Net of Tax	(56,011)		(13,039)
Accumulated Translation Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other Comprehensive (Income) Loss, Net of Tax, Portion Attributable to Noncontrolling Interest	$ (541)		$ 681

[1] During the 2015 period, this AOCI reclassification is a component of Net sales of $(529) (net of tax of $(249)) and Cost of goods sold of $307 (net of tax of $202); during the 2014 period, the reclassification is a component of Net sales of $132 (net of tax of $20) and Cost of goods sold of $157 (net of tax of $86). (See Note 15 - Derivatives for additional details.)

[2] This AOCI component is included in the computation of net periodic pension costs (net of tax of $2,395 and $1,838 during the three months ended March 31, 2015 and 2014, respectively). (See Note 13 - Retirement and Postretirement Benefit Plans for additional details.)

[3] The Other comprehensive income before reclassifications excludes $(541) and $681 attributable to Non-controlling interests in the three months ended March 31, 2015 and 2014, respectively.