RETIREMENT AND DEFERRED COMPENSATION PLANS (Details) (USD $) | 12 Months Ended |
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 |
Level 3 | Infrastructure | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | $8,587,000 | $8,015,000 | $5,670,000 |
Plan Assets: | ' | ' | ' |
Total Investments | 8,587,000 | 8,015,000 | 5,670,000 |
Level 3 | Hedge Fund | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 9,731,000 | 8,575,000 | 7,497,000 |
Plan Assets: | ' | ' | ' |
Total Investments | 9,731,000 | 8,575,000 | 7,497,000 |
Domestic Plans | ' | ' | ' |
Change in benefit obligation: | ' | ' | ' |
Benefit obligation at beginning of year | 136,321,000 | 111,947,000 | ' |
Service cost | 8,539,000 | 7,217,000 | 5,436,000 |
Interest cost | 4,992,000 | 4,913,000 | 4,504,000 |
Actuarial (gain) loss | -14,260,000 | 18,743,000 | ' |
Benefits paid | -6,144,000 | -6,499,000 | ' |
Benefit obligation at end of year | 129,448,000 | 136,321,000 | 111,947,000 |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at beginning of year | 84,587,000 | 68,537,000 | ' |
Actual return on plan assets | 12,063,000 | 8,342,000 | ' |
Employer contribution | 10,061,000 | 14,207,000 | ' |
Benefits paid | -6,144,000 | -6,499,000 | ' |
Fair value of plan assets at end of year | 100,567,000 | 84,587,000 | 68,537,000 |
Funded status at end of year | -28,881,000 | -51,734,000 | ' |
Funded status amounts recognized in Consolidated Balance Sheet | ' | ' | ' |
Current liabilities | -809,000 | -369,000 | ' |
Non-current liabilities | -28,072,000 | -51,365,000 | ' |
Funded status amount | -28,881,000 | -51,734,000 | ' |
Amounts recognized in accumulated other comprehensive loss | ' | ' | ' |
Net actuarial loss | 32,930,000 | 58,580,000 | ' |
Net prior service cost | ' | 3,000 | ' |
Tax effects | -12,349,000 | -21,969,000 | ' |
Net amount recognized | 20,581,000 | 36,614,000 | ' |
Changes in benefit obligations and plan assets recognized in other comprehensive income | ' | ' | ' |
Current year actuarial gain | 20,548,000 | ' | ' |
Amortization of net loss | 5,103,000 | ' | ' |
Amortization of prior service cost | 3,000 | ' | ' |
Net amount recognized | 25,654,000 | ' | ' |
Amounts in accumulated other comprehensive loss expected to be recognized as components of periodic benefit cost in 2014 | ' | ' | ' |
Amortization of net loss | 2,787,000 | ' | ' |
Amount expected to be recognized in next fiscal year | 2,787,000 | ' | ' |
Components of net periodic benefit cost: | ' | ' | ' |
Service cost | 8,539,000 | 7,217,000 | 5,436,000 |
Interest cost | 4,992,000 | 4,913,000 | 4,504,000 |
Expected return on plan assets | -5,775,000 | -5,604,000 | -4,790,000 |
Amortization of net loss | 5,103,000 | 3,854,000 | 1,652,000 |
Amortization of prior service cost | 3,000 | 4,000 | 4,000 |
Net periodic benefit cost | 12,862,000 | 10,384,000 | 6,806,000 |
Total net periodic benefit cost | 12,862,000 | 10,384,000 | 6,806,000 |
Accumulated benefit obligation | 114,600,000 | 118,800,000 | ' |
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 | 129,448,000 | 136,321,000 | ' |
Accumulated benefit obligation | 114,592,000 | 118,804,000 | ' |
Fair value of plan assets | 100,567,000 | 84,587,000 | ' |
PBO, ABO, and fair value of plan assets for all pension plans with a PBO in excess of plan assets | ' | ' | ' |
Projected benefit obligation | 129,448,000 | 136,321,000 | ' |
Accumulated benefit obligation | 114,592,000 | 118,804,000 | ' |
Fair value of plan assets | 100,567,000 | 84,587,000 | ' |
Weighted-average assumptions used to determine benefit obligations | ' | ' | ' |
Discount rate (as a percent) | 4.75% | 3.80% | ' |
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) | 3.80% | 4.40% | 5.40% |
Expected long-term return on plan assets (as a percent) | 7.00% | 7.00% | 7.00% |
Rate of compensation increase (as a percent) | 4.00% | 4.00% | 4.00% |
Plan Assets: | ' | ' | ' |
Weighted-average asset allocations (as a percent) | 100.00% | 100.00% | ' |
Total Investments | 100,567,000 | 84,587,000 | 68,537,000 |
Expected contribution in next fiscal year | 10,000,000 | ' | ' |
Estimated benefit payments relating to defined benefit plans over the next ten years | ' | ' | ' |
2014 | 7,579,000 | ' | ' |
2015 | 7,351,000 | ' | ' |
2016 | 7,744,000 | ' | ' |
2017 | 10,174,000 | ' | ' |
2018 | 9,569,000 | ' | ' |
2019 - 2023 | 55,864,000 | ' | ' |
Domestic Plans | Cash and Short Term Securities | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 9,070,000 | 887,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 9,070,000 | 887,000 | ' |
Domestic Plans | Equity Securities | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at beginning of year | 42,523,000 | ' | ' |
Fair value of plan assets at end of year | 49,261,000 | ' | ' |
Plan Assets: | ' | ' | ' |
Weighted-average asset allocations (as a percent) | 59.00% | 60.00% | ' |
Target allocation (as a percent) | 60.00% | ' | ' |
Total Investments | 49,261,000 | ' | ' |
Domestic Plans | Fixed Income Securities | ' | ' | ' |
Plan Assets: | ' | ' | ' |
Weighted-average asset allocations (as a percent) | 24.00% | 30.00% | ' |
Domestic Plans | Infrastructure | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 8,587,000 | 8,015,000 | ' |
Plan Assets: | ' | ' | ' |
Weighted-average asset allocations (as a percent) | 8.00% | 10.00% | ' |
Total Investments | 8,587,000 | 8,015,000 | ' |
Domestic Plans | Money market | ' | ' | ' |
Plan Assets: | ' | ' | ' |
Weighted-average asset allocations (as a percent) | 9.00% | ' | ' |
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 | 23,918,000 | 24,587,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 23,918,000 | 24,587,000 | ' |
Domestic Plans | Hedge Fund | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 9,731,000 | 8,575,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 9,731,000 | 8,575,000 | ' |
Domestic Plans | Level 1 | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 82,249,000 | 67,997,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 82,249,000 | 67,997,000 | ' |
Domestic Plans | Level 1 | Cash and Short Term Securities | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 9,070,000 | 887,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 9,070,000 | 887,000 | ' |
Domestic Plans | Level 1 | Cash and Short Term Securities | USD | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 9,070,000 | 887,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 9,070,000 | 887,000 | ' |
Domestic Plans | Level 1 | Equity Securities | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 49,261,000 | 42,523,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 49,261,000 | 42,523,000 | ' |
Domestic Plans | Level 1 | US Large Cap Equities | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 20,159,000 | 17,142,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 20,159,000 | 17,142,000 | ' |
Domestic Plans | Level 1 | US Small Cap Equities | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 14,521,000 | 12,523,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 14,521,000 | 12,523,000 | ' |
Domestic Plans | Level 1 | International Equities | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 14,581,000 | 12,858,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 14,581,000 | 12,858,000 | ' |
Domestic Plans | Level 1 | Core Fixed Income | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 23,918,000 | 24,587,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 23,918,000 | 24,587,000 | ' |
Domestic Plans | Level 3 | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 18,318,000 | 16,590,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 18,318,000 | 16,590,000 | ' |
Domestic Plans | Level 3 | Infrastructure | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 8,587,000 | 8,015,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 8,587,000 | 8,015,000 | ' |
Domestic Plans | Level 3 | Hedge Fund | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 9,731,000 | 8,575,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 9,731,000 | 8,575,000 | ' |
Foreign Plans | ' | ' | ' |
Change in benefit obligation: | ' | ' | ' |
Benefit obligation at beginning of year | 80,610,000 | 48,754,000 | ' |
Service cost | 3,901,000 | 2,244,000 | 2,018,000 |
Interest cost | 2,676,000 | 2,658,000 | 2,518,000 |
Business acquired | ' | 9,148,000 | ' |
Curtailment/Settlement | -1,342,000 | ' | ' |
Actuarial (gain) loss | -1,752,000 | 17,905,000 | ' |
Benefits paid | -2,952,000 | -2,075,000 | ' |
Foreign currency translation adjustment | 3,519,000 | 1,976,000 | ' |
Benefit obligation at end of year | 84,660,000 | 80,610,000 | 48,754,000 |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at beginning of year | 47,876,000 | 39,835,000 | ' |
Actual return on plan assets | 1,742,000 | 1,547,000 | ' |
Employer contribution | 5,419,000 | 7,381,000 | ' |
Business acquired | ' | 389,000 | ' |
Benefits paid | -2,952,000 | -2,075,000 | ' |
Foreign currency translation adjustment | 1,990,000 | 799,000 | ' |
Fair value of plan assets at end of year | 54,075,000 | 47,876,000 | 39,835,000 |
Funded status at end of year | -30,585,000 | -32,734,000 | ' |
Funded status amounts recognized in Consolidated Balance Sheet | ' | ' | ' |
Current liabilities | ' | -1,187,000 | ' |
Non-current liabilities | -30,585,000 | -31,547,000 | ' |
Funded status amount | -30,585,000 | -32,734,000 | ' |
Amounts recognized in accumulated other comprehensive loss | ' | ' | ' |
Net actuarial loss | 24,844,000 | 29,265,000 | ' |
Net prior service cost | 3,784,000 | 4,157,000 | ' |
Tax effects | -9,116,000 | -10,788,000 | ' |
Net amount recognized | 19,512,000 | 22,634,000 | ' |
Changes in benefit obligations and plan assets recognized in other comprehensive income | ' | ' | ' |
Current year actuarial gain | 3,005,000 | ' | ' |
Amortization of net loss | 1,416,000 | ' | ' |
Amortization of prior service cost | 373,000 | ' | ' |
Net amount recognized | 4,794,000 | ' | ' |
Amounts in accumulated other comprehensive loss expected to be recognized as components of periodic benefit cost in 2014 | ' | ' | ' |
Amortization of net loss | 1,255,000 | ' | ' |
Amortization of prior service cost | 324,000 | ' | ' |
Amount expected to be recognized in next fiscal year | 1,579,000 | ' | ' |
Components of net periodic benefit cost: | ' | ' | ' |
Service cost | 3,901,000 | 2,244,000 | 2,018,000 |
Interest cost | 2,676,000 | 2,658,000 | 2,518,000 |
Expected return on plan assets | -1,821,000 | -1,538,000 | -1,753,000 |
Amortization of net loss | 1,416,000 | 475,000 | 836,000 |
Amortization of prior service cost | 373,000 | 361,000 | 455,000 |
Net periodic benefit cost | 6,545,000 | 4,200,000 | 4,074,000 |
Curtailment | 1,000 | ' | ' |
Total net periodic benefit cost | 6,546,000 | 4,200,000 | 4,074,000 |
Accumulated benefit obligation | 67,000,000 | 63,600,000 | ' |
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 | 77,475,000 | 77,663,000 | ' |
Accumulated benefit obligation | 60,707,000 | 60,703,000 | ' |
Fair value of plan assets | 47,753,000 | 44,930,000 | ' |
PBO, ABO, and fair value of plan assets for all pension plans with a PBO in excess of plan assets | ' | ' | ' |
Projected benefit obligation | 81,158,000 | 77,663,000 | ' |
Accumulated benefit obligation | 63,527,000 | 60,703,000 | ' |
Fair value of plan assets | 50,573,000 | 44,930,000 | ' |
Weighted-average assumptions used to determine benefit obligations | ' | ' | ' |
Discount rate (as a percent) | 3.24% | 3.19% | ' |
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) | 3.19% | 5.10% | 5.15% |
Expected long-term return on plan assets (as a percent) | 3.79% | 3.83% | 4.40% |
Rate of compensation increase (as a percent) | 3.00% | 3.00% | 3.00% |
Plan Assets: | ' | ' | ' |
Weighted-average asset allocations (as a percent) | 100.00% | 100.00% | ' |
Total Investments | 54,075,000 | 47,876,000 | 39,835,000 |
Expected contribution in next fiscal year | 5,600,000 | ' | ' |
Estimated benefit payments relating to defined benefit plans over the next ten years | ' | ' | ' |
2014 | 2,529,000 | ' | ' |
2015 | 2,133,000 | ' | ' |
2016 | 2,678,000 | ' | ' |
2017 | 3,146,000 | ' | ' |
2018 | 3,825,000 | ' | ' |
2019 - 2023 | 24,731,000 | ' | ' |
Foreign Plans | Cash and Short Term Securities | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 757,000 | 5,560,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 757,000 | 5,560,000 | ' |
Foreign Plans | Equity Securities | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 2,547,000 | 655,000 | ' |
Plan Assets: | ' | ' | ' |
Weighted-average asset allocations (as a percent) | 5.00% | 1.00% | ' |
Total Investments | 2,547,000 | 655,000 | ' |
Foreign Plans | Fixed Income Securities | ' | ' | ' |
Plan Assets: | ' | ' | ' |
Weighted-average asset allocations (as a percent) | 16.00% | 6.00% | ' |
Foreign Plans | Money market | ' | ' | ' |
Plan Assets: | ' | ' | ' |
Weighted-average asset allocations (as a percent) | 1.00% | 12.00% | ' |
Target allocation (as a percent) | 4.00% | ' | ' |
Foreign Plans | Investment Funds | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at beginning of year | 38,849,000 | ' | ' |
Fair value of plan assets at end of year | 42,261,000 | ' | ' |
Plan Assets: | ' | ' | ' |
Weighted-average asset allocations (as a percent) | 78.00% | 81.00% | ' |
Target allocation (as a percent) | 96.00% | ' | ' |
Total Investments | 42,261,000 | ' | ' |
Foreign Plans | Core Fixed Income | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 1,950,000 | 728,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 1,950,000 | 728,000 | ' |
Foreign Plans | Corporate debts securities | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 6,560,000 | 2,084,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 6,560,000 | 2,084,000 | ' |
Foreign Plans | Level 1 | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 27,315,000 | 26,649,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 27,315,000 | 26,649,000 | ' |
Foreign Plans | Level 1 | Cash and Short Term Securities | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 757,000 | 5,560,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 757,000 | 5,560,000 | ' |
Foreign Plans | Level 1 | Cash and Short Term Securities | EUR | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 757,000 | 5,560,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 757,000 | 5,560,000 | ' |
Foreign Plans | Level 1 | Equity Securities | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 2,547,000 | 655,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 2,547,000 | 655,000 | ' |
Foreign Plans | Level 1 | Investment Funds | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 15,501,000 | 17,622,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 15,501,000 | 17,622,000 | ' |
Foreign Plans | Level 1 | International Equities | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 2,547,000 | 655,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 2,547,000 | 655,000 | ' |
Foreign Plans | Level 1 | Core Fixed Income | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 1,950,000 | 728,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 1,950,000 | 728,000 | ' |
Foreign Plans | Level 1 | Corporate debts securities | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 6,560,000 | 2,084,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 6,560,000 | 2,084,000 | ' |
Foreign Plans | Level 1 | Euro Corporate Bonds | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 6,560,000 | 2,084,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 6,560,000 | 2,084,000 | ' |
Foreign Plans | Level 1 | Mutual Funds in Equities | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 3,628,000 | 5,873,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 3,628,000 | 5,873,000 | ' |
Foreign Plans | Level 1 | Mutual Funds in Bonds | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 10,040,000 | 2,458,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 10,040,000 | 2,458,000 | ' |
Foreign Plans | Level 1 | Mutual Funds Diversified | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 1,833,000 | 9,291,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 1,833,000 | 9,291,000 | ' |
Foreign Plans | Level 2 | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 26,760,000 | 21,227,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 26,760,000 | 21,227,000 | ' |
Foreign Plans | Level 2 | Investment Funds | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 26,760,000 | 21,227,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 26,760,000 | 21,227,000 | ' |
Foreign Plans | Level 2 | Mutual Funds Diversified | ' | ' | ' |
Change in plan assets: | ' | ' | ' |
Fair value of plan assets at end of year | 26,760,000 | 21,227,000 | ' |
Plan Assets: | ' | ' | ' |
Total Investments | 26,760,000 | 21,227,000 | ' |
Non-qualified supplemental pension plan | ' | ' | ' |
Non-qualified supplemental pension plan information | ' | ' | ' |
Non funded liability | $6,500,000 | $6,400,000 | ' |