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RETIREMENT AND DEFERRED COMPENSATION PLANS (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Level 3 | Infrastructure
Change in plan assets:
Fair value of plan assets at end of year	$ 8,015,000	$ 5,670,000	$ 5,472,000
Plan Assets:
Total Investments	8,015,000	5,670,000	5,472,000
Level 3 | Hedge Fund
Change in plan assets:
Fair value of plan assets at end of year	8,575,000	7,497,000	5,508,000
Plan Assets:
Total Investments	8,575,000	7,497,000	5,508,000
Domestic Plans
Change in benefit obligation:
Benefit obligation at beginning of year	111,947,000	86,186,000
Service cost	7,217,000	5,436,000	4,675,000
Interest cost	4,913,000	4,504,000	4,106,000
Actuarial loss	18,743,000	18,873,000
Benefits paid	(6,499,000)	(3,052,000)
Benefit obligation at end of year	136,321,000	111,947,000	86,186,000
Change in plan assets:
Fair value of plan assets at beginning of year	68,537,000	60,442,000
Actual return on plan assets	8,342,000	(1,141,000)
Employer contribution	14,207,000	12,288,000
Benefits paid	(6,499,000)	(3,052,000)
Fair value of plan assets at end of year	84,587,000	68,537,000	60,442,000
Funded status at end of year	(51,734,000)	(43,410,000)
Funded status amounts recognized in Consolidated Balance Sheet
Current liabilities	(369,000)	(1,053,000)
Non-current liabilities	(51,365,000)	(42,357,000)
Funded status amount	(51,734,000)	(43,410,000)
Amounts recognized in accumulated other comprehensive loss
Net actuarial loss	58,580,000	46,428,000
Net prior service cost	3,000	7,000
Tax effects	(21,969,000)	(17,414,000)
Net amount recognized	36,614,000	29,021,000
Changes in benefit obligations and plan assets recognized in other comprehensive income
Current year actuarial loss	(16,006,000)
Amortization of loss	3,854,000
Amortization of prior service cost	4,000
Net amount recognized	(12,148,000)
Amounts in accumulated other comprehensive loss expected to be recognized as components of periodic benefit cost in 2013
Amortization of net loss	5,081,000
Amortization of prior service cost	3,000
Amount expected to be recognized in next fiscal year	5,084,000
Components of net periodic benefit cost:
Service cost	7,217,000	5,436,000	4,675,000
Interest cost	4,913,000	4,504,000	4,106,000
Expected return on plan assets	(5,604,000)	(4,790,000)	(4,037,000)
Amortization of net loss	3,854,000	1,652,000	628,000
Amortization of prior service cost	4,000	4,000	4,000
Net periodic benefit cost	10,384,000	6,806,000	5,376,000
Total net periodic benefit cost	10,384,000	6,806,000	5,376,000
Accumulated benefit obligation	118,800,000	99,100,000
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	136,321,000	111,947,000
Accumulated benefit obligation	118,804,000	99,091,000
Fair value of plan assets	84,587,000	68,537,000
PBO, ABO, and fair value of plan assets for all pension plans with a PBO in excess of plan assets
Projected benefit obligation	136,321,000	111,947,000
Accumulated benefit obligation	118,804,000	99,091,000
Fair value of plan assets	84,587,000	68,537,000
Weighted-average assumptions used to determine benefit obligations
Discount rate (as a percent)	3.80%	4.40%
Rate of compensation increase (as a percent)	4.00%	4.00%
Weighted-average assumptions used to determine net periodic benefit cost
Discount rate (as a percent)	4.40%	5.40%
Expected long-term return on plan assets (as a percent)	7.00%	7.00%
Rate of compensation increase (as a percent)	4.00%	4.00%
Plan Assets:
Weighted-average asset allocations (as a percent)	100.00%	100.00%
Total Investments	84,587,000	68,537,000	60,442,000
Estimated benefit payments relating to defined benefit plans over the next ten years
2013	8,194,000
2014	7,652,000
2015	7,332,000
2016	7,763,000
2017	10,272,000
2018 - 2022	54,495,000
Domestic Plans | Minimum
Plan Assets:
Expected contribution in next fiscal year	10,000,000
Domestic Plans | Maximum
Plan Assets:
Expected contribution in next fiscal year	15,000,000
Domestic Plans | Cash and Short Term Securities
Change in plan assets:
Fair value of plan assets at end of year	887,000	96,000
Plan Assets:
Total Investments	887,000	96,000
Domestic Plans | Equity Securities
Change in plan assets:
Fair value of plan assets at beginning of year	33,264,000
Fair value of plan assets at end of year	42,523,000
Plan Assets:
Weighted-average asset allocations (as a percent)	60.00%	60.00%
Target allocation (as a percent)	60.00%
Total Investments	42,523,000
Domestic Plans | Fixed Income Securities
Plan Assets:
Weighted-average asset allocations (as a percent)	30.00%	32.00%
Domestic Plans | Infrastructure
Change in plan assets:
Fair value of plan assets at end of year	8,015,000	5,670,000
Plan Assets:
Weighted-average asset allocations (as a percent)	10.00%	8.00%
Total Investments	8,015,000	5,670,000
Domestic Plans | Fixed income securities and infrastructure
Plan Assets:
Target allocation (as a percent)	40.00%
Domestic Plans | Core Fixed Income
Change in plan assets:
Fair value of plan assets at end of year	24,587,000	22,010,000
Plan Assets:
Total Investments	24,587,000	22,010,000
Domestic Plans | Hedge Fund
Change in plan assets:
Fair value of plan assets at end of year	8,575,000	7,497,000
Plan Assets:
Total Investments	8,575,000	7,497,000
Domestic Plans | Level 1
Change in plan assets:
Fair value of plan assets at end of year	67,997,000	55,370,000
Plan Assets:
Total Investments	67,997,000	55,370,000
Domestic Plans | Level 1 | Cash and Short Term Securities
Change in plan assets:
Fair value of plan assets at end of year	887,000	96,000
Plan Assets:
Total Investments	887,000	96,000
Domestic Plans | Level 1 | Cash and Short Term Securities | USD
Change in plan assets:
Fair value of plan assets at end of year	887,000	96,000
Plan Assets:
Total Investments	887,000	96,000
Domestic Plans | Level 1 | Equity Securities
Change in plan assets:
Fair value of plan assets at end of year	42,523,000	33,264,000
Plan Assets:
Total Investments	42,523,000	33,264,000
Domestic Plans | Level 1 | US Large Cap Equities
Change in plan assets:
Fair value of plan assets at end of year	17,142,000	14,215,000
Plan Assets:
Total Investments	17,142,000	14,215,000
Domestic Plans | Level 1 | US Small Cap Equities
Change in plan assets:
Fair value of plan assets at end of year	12,523,000	10,077,000
Plan Assets:
Total Investments	12,523,000	10,077,000
Domestic Plans | Level 1 | International Equities
Change in plan assets:
Fair value of plan assets at end of year	12,858,000	8,972,000
Plan Assets:
Total Investments	12,858,000	8,972,000
Domestic Plans | Level 1 | Core Fixed Income
Change in plan assets:
Fair value of plan assets at end of year	24,587,000	22,010,000
Plan Assets:
Total Investments	24,587,000	22,010,000
Domestic Plans | Level 3
Change in plan assets:
Fair value of plan assets at end of year	16,590,000	13,167,000
Plan Assets:
Total Investments	16,590,000	13,167,000
Domestic Plans | Level 3 | Infrastructure
Change in plan assets:
Fair value of plan assets at end of year	8,015,000	5,670,000
Plan Assets:
Total Investments	8,015,000	5,670,000
Domestic Plans | Level 3 | Hedge Fund
Change in plan assets:
Fair value of plan assets at end of year	8,575,000	7,497,000
Plan Assets:
Total Investments	8,575,000	7,497,000
Foreign Plans
Change in benefit obligation:
Benefit obligation at beginning of year	48,754,000	46,673,000
Service cost	2,244,000	2,018,000	1,677,000
Interest cost	2,658,000	2,518,000	2,369,000
Business Acquired	9,148,000
Curtailment/Settlement		(1,052,000)
Actuarial loss	17,905,000	1,984,000
Benefits paid	(2,075,000)	(1,509,000)
Foreign currency translation adjustment	1,976,000	(1,878,000)
Benefit obligation at end of year	80,610,000	48,754,000	46,673,000
Change in plan assets:
Fair value of plan assets at beginning of year	39,835,000	38,383,000
Actual return on plan assets	1,547,000	(310,000)
Employer contribution	7,381,000	5,478,000
Business Acquired	389,000
Settlements		(1,052,000)
Benefits paid	(2,075,000)	(1,509,000)
Foreign currency translation adjustment	799,000	(1,155,000)
Fair value of plan assets at end of year	47,876,000	39,835,000	38,383,000
Funded status at end of year	(32,734,000)	(8,919,000)
Funded status amounts recognized in Consolidated Balance Sheet
Current liabilities	(1,187,000)	(79,000)
Non-current liabilities	(31,547,000)	(8,840,000)
Funded status amount	(32,734,000)	(8,919,000)
Amounts recognized in accumulated other comprehensive loss
Net actuarial loss	29,265,000	11,434,000
Net prior service cost	4,157,000	4,518,000
Tax effects	(10,788,000)	(5,066,000)
Net amount recognized	22,634,000	10,886,000
Changes in benefit obligations and plan assets recognized in other comprehensive income
Current year actuarial loss	(18,306,000)
Amortization of loss	475,000
Amortization of prior service cost	361,000
Net amount recognized	(17,470,000)
Amounts in accumulated other comprehensive loss expected to be recognized as components of periodic benefit cost in 2013
Amortization of net loss	1,405,000
Amortization of prior service cost	371,000
Amount expected to be recognized in next fiscal year	1,776,000
Components of net periodic benefit cost:
Service cost	2,244,000	2,018,000	1,677,000
Interest cost	2,658,000	2,518,000	2,369,000
Expected return on plan assets	(1,538,000)	(1,753,000)	(1,414,000)
Amortization of net loss	475,000	836,000	255,000
Amortization of prior service cost	361,000	455,000	359,000
Net periodic benefit cost	4,200,000	4,074,000	3,246,000
Total net periodic benefit cost	4,200,000	4,074,000	3,246,000
Accumulated benefit obligation	63,600,000	40,500,000
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	77,663,000	32,896,000
Accumulated benefit obligation	60,703,000	25,064,000
Fair value of plan assets	44,930,000	24,280,000
PBO, ABO, and fair value of plan assets for all pension plans with a PBO in excess of plan assets
Projected benefit obligation	77,663,000	34,104,000
Accumulated benefit obligation	60,703,000	25,923,000
Fair value of plan assets	44,930,000	25,140,000
Weighted-average assumptions used to determine benefit obligations
Discount rate (as a percent)	3.19%	5.10%
Rate of compensation increase (as a percent)	3.00%	3.00%
Weighted-average assumptions used to determine net periodic benefit cost
Discount rate (as a percent)	5.10%	5.15%
Expected long-term return on plan assets (as a percent)	3.83%	4.40%
Rate of compensation increase (as a percent)	3.00%	3.00%
Plan Assets:
Weighted-average asset allocations (as a percent)	100.00%	100.00%
Total Investments	47,876,000	39,835,000	38,383,000
Expected contribution in next fiscal year	4,300,000
Estimated benefit payments relating to defined benefit plans over the next ten years
2013	2,249,000
2014	1,766,000
2015	2,705,000
2016	2,975,000
2017	3,513,000
2018 - 2022	23,030,000
Foreign Plans | Cash and Short Term Securities
Change in plan assets:
Fair value of plan assets at end of year	5,560,000	5,781,000
Plan Assets:
Total Investments	5,560,000	5,781,000
Foreign Plans | Equity Securities
Change in plan assets:
Fair value of plan assets at end of year	2,739,000
Plan Assets:
Weighted-average asset allocations (as a percent)	6.00%
Total Investments	2,739,000
Foreign Plans | Fixed Income Securities
Plan Assets:
Weighted-average asset allocations (as a percent)	7.00%	12.00%
Target allocation (as a percent)	26.00%
Foreign Plans | Money market
Plan Assets:
Weighted-average asset allocations (as a percent)	11.00%	15.00%
Target allocation (as a percent)	4.00%
Foreign Plans | Investment Funds
Change in plan assets:
Fair value of plan assets at beginning of year	29,242,000
Fair value of plan assets at end of year	36,390,000
Plan Assets:
Weighted-average asset allocations (as a percent)	76.00%	73.00%
Target allocation (as a percent)	70.00%
Total Investments	36,390,000
Foreign Plans | Corporate debts securities
Change in plan assets:
Fair value of plan assets at end of year	3,187,000	4,812,000
Plan Assets:
Total Investments	3,187,000	4,812,000
Foreign Plans | Level 1
Change in plan assets:
Fair value of plan assets at end of year	26,649,000	24,669,000
Plan Assets:
Total Investments	26,649,000	24,669,000
Foreign Plans | Level 1 | Cash and Short Term Securities
Change in plan assets:
Fair value of plan assets at end of year	5,560,000	5,781,000
Plan Assets:
Total Investments	5,560,000	5,781,000
Foreign Plans | Level 1 | Cash and Short Term Securities | EUR
Change in plan assets:
Fair value of plan assets at end of year	5,560,000	5,781,000
Plan Assets:
Total Investments	5,560,000	5,781,000
Foreign Plans | Level 1 | Equity Securities
Change in plan assets:
Fair value of plan assets at end of year	2,739,000
Plan Assets:
Total Investments	2,739,000
Foreign Plans | Level 1 | Investment Funds
Change in plan assets:
Fair value of plan assets at end of year	15,163,000	14,076,000
Plan Assets:
Total Investments	15,163,000	14,076,000
Foreign Plans | Level 1 | International Equities
Change in plan assets:
Fair value of plan assets at end of year	2,739,000
Plan Assets:
Total Investments	2,739,000
Foreign Plans | Level 1 | Corporate debts securities
Change in plan assets:
Fair value of plan assets at end of year	3,187,000	4,812,000
Plan Assets:
Total Investments	3,187,000	4,812,000
Foreign Plans | Level 1 | Euro Corporate Bonds
Change in plan assets:
Fair value of plan assets at end of year		4,812,000
Plan Assets:
Total Investments		4,812,000
Foreign Plans | Level 1 | Emerging Market
Change in plan assets:
Fair value of plan assets at end of year	3,187,000
Plan Assets:
Total Investments	3,187,000
Foreign Plans | Level 1 | Mutual Funds in Equities
Change in plan assets:
Fair value of plan assets at end of year	5,872,000	5,482,000
Plan Assets:
Total Investments	5,872,000	5,482,000
Foreign Plans | Level 1 | Mutual Funds Diversified
Change in plan assets:
Fair value of plan assets at end of year	9,291,000	8,594,000
Plan Assets:
Total Investments	9,291,000	8,594,000
Foreign Plans | Level 2
Change in plan assets:
Fair value of plan assets at end of year	21,227,000	15,166,000
Plan Assets:
Total Investments	21,227,000	15,166,000
Foreign Plans | Level 2 | Investment Funds
Change in plan assets:
Fair value of plan assets at end of year	21,227,000	15,166,000
Plan Assets:
Total Investments	21,227,000	15,166,000
Foreign Plans | Level 2 | Mutual Funds Diversified
Change in plan assets:
Fair value of plan assets at end of year	21,227,000	15,166,000
Plan Assets:
Total Investments	21,227,000	15,166,000
Non-qualified supplemental pension plan
Non-qualified supplemental pension plan information
Non funded liability	$ 6,400,000	$ 4,300,000

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The tax effects on net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost.

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The decrease in the plan benefit obligation during the reporting period due to curtailments or settlements.

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The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation before adjustment for gain (loss) due to settlements or curtailments.

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If aggregate disclosures are presented, the aggregate accumulated benefit obligation for plans with benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.

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The total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 158

-Paragraph 7

-Subparagraph c

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Section 45

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-Name Accounting Standards Codification

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 6: http://www.xbrl.org/2003/role/presentationRef

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 130

-Paragraph 26

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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For defined benefit pension plans, the actuarial present value of benefits (whether vested or nonvested) attributed by the pension benefit formula to employee service rendered before a specified date and based on employee service and compensation (if applicable) before that date. The accumulated benefit obligation differs from the projected benefit obligation in that it includes no assumption about future compensation levels. For plans with flat-benefit or nonpay-related pension benefit formulas, the accumulated benefit obligation and the projected benefit obligation are the same.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-URI http://asc.fasb.org/extlink&oid=6503844



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-Name Accounting Standards Codification

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph 5

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The pretax net amount of gains and losses that are not yet recognized as a component of net periodic benefit cost, and that are recognized as increases or decreases in other comprehensive income as they arise. Gains and losses are due to changes in the value of either the benefit obligation or the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption, or the consequence of a decision to temporarily deviate from the substantive plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section 45

-Paragraph 10A

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 158

-Paragraph 7

-Subparagraph c

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph i

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

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- Definition

Amount related to the pretax cost of benefit changes attributable to plan participants' prior service pursuant to a plan amendment or a plan initiation, which has not yet been recognized as components of net periodic benefit cost.

+ References

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