RETIREMENT AND DEFERRED COMPENSATION PLANS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
United States
Change in benefit obligation:
Benefit obligation at beginning of year	$ 227,275	$ 180,803
Service cost	14,278	11,093	$ 11,396
Interest cost	7,046	7,381	6,878
Special termination benefit charge	0	0
Plan Amendment	0	0
Curtailment/Settlement	0	0
Transfer	0	0
Prior service cost	0	0
Actuarial loss (gain)	38,175	39,209
Benefits paid	(14,303)	(11,211)
Foreign currency translation adjustment	0	0
Benefit obligation at end of year	272,471	227,275	180,803
Change in plan assets:
Fair value of plan assets at beginning of year	188,801	169,958
Actual return on plan assets	17,088	29,618
Employer contribution	448	436
Benefits paid	(14,303)	(11,211)
Transfer	0	0
Foreign currency translation adjustment	0	0
Fair value of plan assets at end of year	192,034	188,801	169,958
Funded status at end of year				$ (80,437)	$ (38,474)
Funded status amounts recognized in Consolidated Balance Sheet
Non-current assets				0	0
Current liabilities				(461)	(449)
Non-current liabilities				(79,976)	(38,025)
Funded status amount				(80,437)	(38,474)
Amounts recognized in accumulated other comprehensive loss
Net actuarial loss				96,440	68,789
Net prior service cost				0	0
Tax effects				(22,181)	(15,821)
Net amount recognized				74,259	52,968
Changes in benefit obligations and plan assets recognized in other comprehensive income
Current year actuarial (loss) gain	(33,335)	(21,970)	4,611
Amortization of net loss	5,684	1,957	4,873
Net amount recognized	(27,651)	(20,013)	9,484
Components of net periodic benefit cost:
Service cost	14,278	11,093	11,396
Interest cost	7,046	7,381	6,878
Expected return on plan assets	(12,248)	(12,379)	(11,257)
Amortization of net loss	5,684	1,957	4,873
Net periodic benefit cost	$ 14,760	$ 8,052	$ 11,890
Accumulated benefit obligation				249,800	205,300
Projected benefit obligation ("PBO"), ABO, and fair value of plan assets for all pension plans with an ABO in excess of plan assets
Projected benefit obligation				272,471	227,275
Accumulated benefit obligation				249,831	205,326
Fair value of plan assets				192,034	188,801
PBO, ABO, and fair value of plan assets for all pension plans with a PBO in excess of plan assets
Projected benefit obligation				272,471	227,275
Accumulated benefit obligation				249,831	205,326
Fair value of plan assets				$ 192,034	$ 188,801
Weighted-average assumptions used to determine benefit obligations
Discount rate				2.40%	3.20%	4.20%
Rate of compensation increase				3.19%	4.00%	4.00%
Weighted-average assumptions used to determine net periodic benefit cost
Discount rate	3.20%	4.20%	3.55%
Expected long-term return on plan assets	7.00%	7.00%	7.00%
Rate of compensation increase	4.00%	4.00%	4.00%
Plan assets, actual allocation percentage				100.00%	100.00%
Plan Assets:
Total investments	$ 192,034	$ 169,958	$ 169,958	$ 192,034	$ 188,801	$ 169,958
United States | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	188,801
Fair value of plan assets at end of year	192,034	188,801
Plan Assets:
Total investments	188,801	188,801		$ 192,034	$ 188,801
United States | Equity Securities
Weighted-average assumptions used to determine net periodic benefit cost
Plan assets, actual allocation percentage				48.00%	49.00%
Target allocation percentage				60.00%
United States | Fixed Income Funds
Weighted-average assumptions used to determine net periodic benefit cost
Plan assets, actual allocation percentage				28.00%	29.00%
United States | Corporate debts securities
Weighted-average assumptions used to determine net periodic benefit cost
Plan assets, actual allocation percentage				0.00%	0.00%
United States | Hedge Fund
Weighted-average assumptions used to determine net periodic benefit cost
Plan assets, actual allocation percentage				10.00%	10.00%
United States | Investment Funds
Weighted-average assumptions used to determine net periodic benefit cost
Plan assets, actual allocation percentage				0.00%	0.00%
United States | Infrastructure
Weighted-average assumptions used to determine net periodic benefit cost
Plan assets, actual allocation percentage				7.00%	6.00%
United States | Money market
Weighted-average assumptions used to determine net periodic benefit cost
Plan assets, actual allocation percentage				2.00%	1.00%
United States | Fixed income securities and infrastructure
Weighted-average assumptions used to determine net periodic benefit cost
Target allocation percentage				40.00%
United States | Real Estate Funds
Weighted-average assumptions used to determine net periodic benefit cost
Plan assets, actual allocation percentage				5.00%	5.00%
United States | Fair Value, Inputs, Level 1, 2 and 3 | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	119,883
Fair value of plan assets at end of year	121,939	119,883
Plan Assets:
Total investments	119,883	119,883		$ 121,939	$ 119,883
United States | Fair Value, Inputs, Level 1, 2 and 3 | Cash and Short Term Securities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	1,988
Fair value of plan assets at end of year	3,207	1,988
Plan Assets:
Total investments	1,988	1,988		3,207	1,988
United States | Fair Value, Inputs, Level 1, 2 and 3 | Cash and Short Term Securities | USD | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Fair Value, Inputs, Level 1, 2 and 3 | Cash and Short Term Securities | EUR | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Fair Value, Inputs, Level 1, 2 and 3 | Cash and Short Term Securities | Others | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Fair Value, Inputs, Level 1, 2 and 3 | Equity Securities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	81,997
Fair value of plan assets at end of year	83,041	81,997
Plan Assets:
Total investments	81,997	81,997		83,041	81,997
United States | Fair Value, Inputs, Level 1, 2 and 3 | US Large Cap Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Fair Value, Inputs, Level 1, 2 and 3 | US Small Cap Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Fair Value, Inputs, Level 1, 2 and 3 | International Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Fair Value, Inputs, Level 1, 2 and 3 | Fixed Income Funds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	35,898
Fair value of plan assets at end of year	35,691	35,898
Plan Assets:
Total investments	35,898	35,898		35,691	35,898
United States | Fair Value, Inputs, Level 1, 2 and 3 | Corporate debts securities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Fair Value, Inputs, Level 1, 2 and 3 | Euro Corporate Bonds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Fair Value, Inputs, Level 1, 2 and 3 | Investment Funds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Fair Value, Inputs, Level 1, 2 and 3 | Mutual Funds in Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Fair Value, Inputs, Level 1, 2 and 3 | Mutual Funds in Bonds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Fair Value, Inputs, Level 1, 2 and 3 | Mutual Funds Diversified | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 1 | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	119,883
Fair value of plan assets at end of year	121,939	119,883
Plan Assets:
Total investments	119,883	119,883		121,939	119,883
United States | Level 1 | Cash and Short Term Securities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	1,988
Fair value of plan assets at end of year	3,207	1,988
Plan Assets:
Total investments	1,988	1,988		3,207	1,988
United States | Level 1 | Cash and Short Term Securities | USD | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	1,988
Fair value of plan assets at end of year	3,207	1,988
Plan Assets:
Total investments	1,988	1,988		3,207	1,988
United States | Level 1 | Cash and Short Term Securities | EUR | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 1 | Cash and Short Term Securities | Others | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 1 | Equity Securities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	81,997
Fair value of plan assets at end of year	83,041	81,997
Plan Assets:
Total investments	81,997	81,997		83,041	81,997
United States | Level 1 | US Large Cap Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	48,580
Fair value of plan assets at end of year	48,138	48,580
Plan Assets:
Total investments	48,580	48,580		48,138	48,580
United States | Level 1 | US Small Cap Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	9,921
Fair value of plan assets at end of year	10,299	9,921
Plan Assets:
Total investments	9,921	9,921		10,299	9,921
United States | Level 1 | International Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	23,496
Fair value of plan assets at end of year	24,604	23,496
Plan Assets:
Total investments	23,496	23,496		24,604	23,496
United States | Level 1 | Fixed Income Funds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	35,898
Fair value of plan assets at end of year	35,691	35,898
Plan Assets:
Total investments	35,898	35,898		35,691	35,898
United States | Level 1 | Corporate debts securities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 1 | Euro Corporate Bonds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 1 | Investment Funds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 1 | Mutual Funds in Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 1 | Mutual Funds in Bonds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 1 | Mutual Funds Diversified | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 2 | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 2 | Cash and Short Term Securities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 2 | Cash and Short Term Securities | USD | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 2 | Cash and Short Term Securities | EUR | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 2 | Cash and Short Term Securities | Others | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 2 | Equity Securities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 2 | US Large Cap Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 2 | US Small Cap Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 2 | International Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 2 | Fixed Income Funds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 2 | Corporate debts securities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 2 | Euro Corporate Bonds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 2 | Investment Funds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 2 | Mutual Funds in Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 2 | Mutual Funds in Bonds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 2 | Mutual Funds Diversified | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 3 | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 3 | Cash and Short Term Securities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 3 | Cash and Short Term Securities | USD | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 3 | Cash and Short Term Securities | EUR | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 3 | Cash and Short Term Securities | Others | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 3 | Equity Securities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 3 | US Large Cap Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 3 | US Small Cap Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 3 | International Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 3 | Fixed Income Funds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 3 | Corporate debts securities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 3 | Euro Corporate Bonds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 3 | Investment Funds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 3 | Mutual Funds in Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 3 | Mutual Funds in Bonds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Level 3 | Mutual Funds Diversified | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
United States | Net Asset Value per Share | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	68,918
Fair value of plan assets at end of year	70,095	68,918
Plan Assets:
Total investments	68,918	68,918		70,095	68,918
Foreign Plans
Change in benefit obligation:
Benefit obligation at beginning of year	120,490	104,911
Service cost	7,311	5,921	5,954
Interest cost	1,410	2,023	1,828
Special termination benefit charge	0	64
Plan Amendment	0	18
Curtailment/Settlement	0	(271)
Transfer	0	939
Prior service cost	(2,701)	(451)
Actuarial loss (gain)	1,809	13,575
Benefits paid	(5,145)	(4,130)
Foreign currency translation adjustment	11,252	(2,109)
Benefit obligation at end of year	134,426	120,490	104,911
Change in plan assets:
Fair value of plan assets at beginning of year	74,189	68,992
Actual return on plan assets	2,008	3,851
Employer contribution	7,527	6,542
Benefits paid	(5,145)	(4,130)
Transfer	0	359
Foreign currency translation adjustment	6,508	(1,425)
Fair value of plan assets at end of year	85,087	74,189	68,992
Funded status at end of year				(49,339)	(46,301)
Funded status amounts recognized in Consolidated Balance Sheet
Non-current assets				81	938
Current liabilities				(37)	(44)
Non-current liabilities				(49,383)	(47,195)
Funded status amount				(49,339)	(46,301)
Amounts recognized in accumulated other comprehensive loss
Net actuarial loss				40,851	40,442
Net prior service cost				675	3,774
Tax effects				(13,466)	(14,040)
Net amount recognized				28,060	30,176
Changes in benefit obligations and plan assets recognized in other comprehensive income
Current year actuarial (loss) gain	(2,530)	(11,999)	534
Current year prior service cost	2,701	451	(35)
Transfer Prior service Cost	0	(18)	0
Transfer Actuarial (loss) gain	0	(126)	0
Recognition due to curtailment	0	0	1,692
Amortization of net loss	2,121	1,444	1,716
Amortization of prior service cost	398	449	720
Net amount recognized	2,690	(9,799)	4,627
Components of net periodic benefit cost:
Service cost	7,311	5,921	5,954
Interest cost	1,410	2,023	1,828
Expected return on plan assets	(2,620)	(2,366)	(2,610)
Amortization of net loss	2,121	1,444	1,716
Amortization of prior service cost	398	449	720
Net periodic benefit cost	8,620	7,471	7,608
Curtailment	(8)	(246)	(59)
Special termination benefit charge	0	65	62
Total Net periodic benefit cost	$ 8,612	$ 7,290	$ 7,611
Accumulated benefit obligation				103,100	91,800
Projected benefit obligation ("PBO"), ABO, and fair value of plan assets for all pension plans with an ABO in excess of plan assets
Projected benefit obligation				120,795	92,561
Accumulated benefit obligation				89,702	65,062
Fair value of plan assets				71,457	46,371
PBO, ABO, and fair value of plan assets for all pension plans with a PBO in excess of plan assets
Projected benefit obligation				130,616	102,310
Accumulated benefit obligation				98,360	73,943
Fair value of plan assets				$ 79,764	$ 55,260
Weighted-average assumptions used to determine benefit obligations
Discount rate				0.54%	1.04%	1.82%
Rate of compensation increase				3.05%	3.05%	3.01%
Weighted-average assumptions used to determine net periodic benefit cost
Discount rate	1.12%	1.84%	1.62%
Expected long-term return on plan assets	3.41%	3.69%	3.66%
Rate of compensation increase	3.05%	3.05%	3.02%
Plan assets, actual allocation percentage				100.00%	100.00%
Plan Assets:
Total investments	$ 85,087	$ 68,992	$ 68,992	$ 85,087	$ 74,189	$ 68,992
Foreign Plans | Equity Securities
Weighted-average assumptions used to determine net periodic benefit cost
Plan assets, actual allocation percentage				5.00%	4.00%
Foreign Plans | Fixed Income Funds
Weighted-average assumptions used to determine net periodic benefit cost
Plan assets, actual allocation percentage				1.00%	1.00%
Foreign Plans | Corporate debts securities
Weighted-average assumptions used to determine net periodic benefit cost
Plan assets, actual allocation percentage				2.00%	3.00%
Foreign Plans | Hedge Fund
Weighted-average assumptions used to determine net periodic benefit cost
Plan assets, actual allocation percentage				0.00%	0.00%
Foreign Plans | Investment Funds
Weighted-average assumptions used to determine net periodic benefit cost
Plan assets, actual allocation percentage				92.00%	89.00%
Target allocation percentage				100.00%
Foreign Plans | Infrastructure
Weighted-average assumptions used to determine net periodic benefit cost
Plan assets, actual allocation percentage				0.00%	0.00%
Foreign Plans | Money market
Weighted-average assumptions used to determine net periodic benefit cost
Plan assets, actual allocation percentage				0.00%	3.00%
Foreign Plans | Real Estate Funds
Weighted-average assumptions used to determine net periodic benefit cost
Plan assets, actual allocation percentage				0.00%	0.00%
Foreign Plans | Fair Value, Inputs, Level 1, 2 and 3 | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	74,189
Fair value of plan assets at end of year	85,087	74,189
Plan Assets:
Total investments	74,189	74,189		$ 85,087	$ 74,189
Foreign Plans | Fair Value, Inputs, Level 1, 2 and 3 | Cash and Short Term Securities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	2,030
Fair value of plan assets at end of year	415	2,030
Plan Assets:
Total investments	2,030	2,030		415	2,030
Foreign Plans | Fair Value, Inputs, Level 1, 2 and 3 | Cash and Short Term Securities | USD | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Fair Value, Inputs, Level 1, 2 and 3 | Cash and Short Term Securities | EUR | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Fair Value, Inputs, Level 1, 2 and 3 | Cash and Short Term Securities | Others | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Fair Value, Inputs, Level 1, 2 and 3 | Equity Securities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	2,995
Fair value of plan assets at end of year	4,107	2,995
Plan Assets:
Total investments	2,995	2,995		4,107	2,995
Foreign Plans | Fair Value, Inputs, Level 1, 2 and 3 | US Large Cap Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Fair Value, Inputs, Level 1, 2 and 3 | US Small Cap Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Fair Value, Inputs, Level 1, 2 and 3 | International Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Fair Value, Inputs, Level 1, 2 and 3 | Fixed Income Funds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	820
Fair value of plan assets at end of year	834	820
Plan Assets:
Total investments	820	820		834	820
Foreign Plans | Fair Value, Inputs, Level 1, 2 and 3 | Corporate debts securities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	2,115
Fair value of plan assets at end of year	1,555	2,115
Plan Assets:
Total investments	2,115	2,115		1,555	2,115
Foreign Plans | Fair Value, Inputs, Level 1, 2 and 3 | Euro Corporate Bonds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Fair Value, Inputs, Level 1, 2 and 3 | Investment Funds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	66,229
Fair value of plan assets at end of year	78,176	66,229
Plan Assets:
Total investments	66,229	66,229		78,176	66,229
Foreign Plans | Fair Value, Inputs, Level 1, 2 and 3 | Mutual Funds in Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Fair Value, Inputs, Level 1, 2 and 3 | Mutual Funds in Bonds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Fair Value, Inputs, Level 1, 2 and 3 | Mutual Funds Diversified | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 1 | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	31,757
Fair value of plan assets at end of year	34,411	31,757
Plan Assets:
Total investments	31,757	31,757		34,411	31,757
Foreign Plans | Level 1 | Cash and Short Term Securities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	2,030
Fair value of plan assets at end of year	415	2,030
Plan Assets:
Total investments	2,030	2,030		415	2,030
Foreign Plans | Level 1 | Cash and Short Term Securities | USD | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 1 | Cash and Short Term Securities | EUR | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	2,012
Fair value of plan assets at end of year	404	2,012
Plan Assets:
Total investments	2,012	2,012		404	2,012
Foreign Plans | Level 1 | Cash and Short Term Securities | Others | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	18
Fair value of plan assets at end of year	11	18
Plan Assets:
Total investments	18	18		11	18
Foreign Plans | Level 1 | Equity Securities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	2,995
Fair value of plan assets at end of year	4,107	2,995
Plan Assets:
Total investments	2,995	2,995		4,107	2,995
Foreign Plans | Level 1 | US Large Cap Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 1 | US Small Cap Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 1 | International Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	2,995
Fair value of plan assets at end of year	4,107	2,995
Plan Assets:
Total investments	2,995	2,995		4,107	2,995
Foreign Plans | Level 1 | Fixed Income Funds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	820
Fair value of plan assets at end of year	834	820
Plan Assets:
Total investments	820	820		834	820
Foreign Plans | Level 1 | Corporate debts securities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	2,115
Fair value of plan assets at end of year	1,555	2,115
Plan Assets:
Total investments	2,115	2,115		1,555	2,115
Foreign Plans | Level 1 | Euro Corporate Bonds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	2,115
Fair value of plan assets at end of year	1,555	2,115
Plan Assets:
Total investments	2,115	2,115		1,555	2,115
Foreign Plans | Level 1 | Investment Funds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	23,797
Fair value of plan assets at end of year	27,500	23,797
Plan Assets:
Total investments	23,797	23,797		27,500	23,797
Foreign Plans | Level 1 | Mutual Funds in Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	4,025
Fair value of plan assets at end of year	4,022	4,025
Plan Assets:
Total investments	4,025	4,025		4,022	4,025
Foreign Plans | Level 1 | Mutual Funds in Bonds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	18,881
Fair value of plan assets at end of year	22,475	18,881
Plan Assets:
Total investments	18,881	18,881		22,475	18,881
Foreign Plans | Level 1 | Mutual Funds Diversified | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	891
Fair value of plan assets at end of year	1,003	891
Plan Assets:
Total investments	891	891		1,003	891
Foreign Plans | Level 2 | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	42,432
Fair value of plan assets at end of year	50,676	42,432
Plan Assets:
Total investments	42,432	42,432		50,676	42,432
Foreign Plans | Level 2 | Cash and Short Term Securities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 2 | Cash and Short Term Securities | USD | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 2 | Cash and Short Term Securities | EUR | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 2 | Cash and Short Term Securities | Others | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 2 | Equity Securities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 2 | US Large Cap Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 2 | US Small Cap Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 2 | International Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 2 | Fixed Income Funds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 2 | Corporate debts securities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 2 | Euro Corporate Bonds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 2 | Investment Funds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	42,432
Fair value of plan assets at end of year	50,676	42,432
Plan Assets:
Total investments	42,432	42,432		50,676	42,432
Foreign Plans | Level 2 | Mutual Funds in Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 2 | Mutual Funds in Bonds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 2 | Mutual Funds Diversified | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	42,432
Fair value of plan assets at end of year	50,676	42,432
Plan Assets:
Total investments	42,432	42,432		50,676	42,432
Foreign Plans | Level 3 | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 3 | Cash and Short Term Securities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 3 | Cash and Short Term Securities | USD | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 3 | Cash and Short Term Securities | EUR | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 3 | Cash and Short Term Securities | Others | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 3 | Equity Securities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 3 | US Large Cap Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 3 | US Small Cap Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 3 | International Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 3 | Fixed Income Funds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 3 | Corporate debts securities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 3 | Euro Corporate Bonds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 3 | Investment Funds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 3 | Mutual Funds in Equities | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 3 | Mutual Funds in Bonds | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	0	0		0	0
Foreign Plans | Level 3 | Mutual Funds Diversified | Fair Value, Recurring
Change in plan assets:
Fair value of plan assets at beginning of year	0
Fair value of plan assets at end of year	0	0
Plan Assets:
Total investments	$ 0	$ 0		$ 0	$ 0