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Employee Benefit Plans (Details 3) (USD $) | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Dividends paid | $ 66,132,000 | $ 66,176,000 | $ 66,131,000
U.S. Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Accumulated benefit obligation | 316,400 | 298,600 |
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets [Abstract] |  |  |
Projected benefit obligation | 306,500 | 288,700 |
Accumulated benefit obligation | 306,500 | 288,700 |
Fair value of plan assets | 207,700 | 198,800 |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Number of capital market results simulated in the model for expected return on plan assets | 600 |  |
Period for which results of capital markets are simulated | 15 years |  |
Expected long-term rates of return on plan assets | 7.80% | 7.80% | 8.00%
Number of shares of Company's common stock included in plan assets | 450,000 | 432,203 |
Value of shares of Company's common stock included in plan assets | 10,600,000 | 9,000,000 |
Dividends paid | 400,000 |  |
Expected long-term rates of return on plan assets for next year (as a percent) | 7.50% |  |
Fair values of plan assets | 218,084,000 | 209,237,000 | 221,673,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at beginning of year | 209,237,000 | 221,673,000 |
Employer contributions | 6,254,000 | 3,055,000 |
Fair value of plan assets at end of year | 218,084,000 | 209,237,000 | 221,673,000
U.S. Plans | Domestic equity securities |  |  |
Defined Benefit Plan, Information about Plan Assets [Abstract] |  |  |
Percentage of Plan Assets at December 31 | 38.00% | 38.00% |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Target Long-Term Allocation - Minimum | 34.00% |  |
Target Long-Term Allocation - Maximum | 44.00% |  |
U.S. Plans | Harsco common stock |  |  |
Defined Benefit Plan, Information about Plan Assets [Abstract] |  |  |
Percentage of Plan Assets at December 31 | 4.80% | 4.30% |
U.S. Plans | International equity securities |  |  |
Defined Benefit Plan, Information about Plan Assets [Abstract] |  |  |
Percentage of Plan Assets at December 31 | 19.70% | 18.00% |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Target Long-Term Allocation - Minimum | 14.00% |  |
Target Long-Term Allocation - Maximum | 24.00% |  |
U.S. Plans | Fixed income securities |  |  |
Defined Benefit Plan, Information about Plan Assets [Abstract] |  |  |
Percentage of Plan Assets at December 31 | 30.50% | 32.80% |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Target Long-Term Allocation - Minimum | 27.00% |  |
Target Long-Term Allocation - Maximum | 37.00% |  |
U.S. Plans | Other |  |  |
Defined Benefit Plan, Information about Plan Assets [Abstract] |  |  |
Percentage of Plan Assets at December 31 | 9.50% | 9.30% |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Target Long-Term Allocation - Minimum | 5.00% |  |
Target Long-Term Allocation - Maximum | 15.00% |  |
U.S. Plans | Cash and cash equivalents |  |  |
Defined Benefit Plan, Information about Plan Assets [Abstract] |  |  |
Percentage of Plan Assets at December 31 | 2.30% | 1.90% |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Target Long-Term Allocation - Maximum | 5.00% |  |
U.S. Plans | Level 1 |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 160,531,000 | 141,553,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 160,531,000 | 141,553,000 |
U.S. Plans | Level 1 | Common stocks |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 42,142,000 | 39,295,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 42,142,000 | 39,295,000 |
U.S. Plans | Level 1 | Mutual funds - equities |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 11,110,000 | 19,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 11,110,000 | 19,000 |
U.S. Plans | Level 1 | International equities - mutual funds |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 37,651,000 | 33,198,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 37,651,000 | 33,198,000 |
U.S. Plans | Level 1 | U.S. Treasuries and collateralized securities |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 0 | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 0 | 0 |
U.S. Plans | Level 1 | Corporate bonds and notes |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 7,539,000 | 5,507,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 7,539,000 | 5,507,000 |
U.S. Plans | Level 1 | Mutual funds - bonds |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 36,447,000 | 40,110,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 36,447,000 | 40,110,000 |
U.S. Plans | Level 1 | Other mutual funds |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 20,667,000 | 19,392,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 20,667,000 | 19,392,000 |
U.S. Plans | Level 1 | Cash and cash equivalents |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 4,975,000 | 4,032,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 4,975,000 | 4,032,000 |
U.S. Plans | Level 2 |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 57,553,000 | 67,684,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 57,553,000 | 67,684,000 |
U.S. Plans | Level 2 | Common stocks |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 0 | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 0 | 0 |
U.S. Plans | Level 2 | Mutual funds - equities |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 29,617,000 | 40,088,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 29,617,000 | 40,088,000 |
U.S. Plans | Level 2 | International equities - mutual funds |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 5,311,000 | 4,542,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 5,311,000 | 4,542,000 |
U.S. Plans | Level 2 | U.S. Treasuries and collateralized securities |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 22,625,000 | 23,054,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 22,625,000 | 23,054,000 |
U.S. Plans | Level 2 | Corporate bonds and notes |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 0 | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 0 | 0 |
U.S. Plans | Level 2 | Mutual funds - bonds |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 0 | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 0 | 0 |
U.S. Plans | Level 2 | Other mutual funds |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 0 | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 0 | 0 |
U.S. Plans | Level 2 | Cash and cash equivalents |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 0 | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 0 | 0 |
U.S. Plans | Level 3 |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 0 | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 0 | 0 |
U.S. Plans | Level 3 | Common stocks |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 0 | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 0 | 0 |
U.S. Plans | Level 3 | Mutual funds - equities |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 0 | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 0 | 0 |
U.S. Plans | Level 3 | International equities - mutual funds |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 0 | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 0 | 0 |
U.S. Plans | Level 3 | U.S. Treasuries and collateralized securities |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 0 | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 0 | 0 |
U.S. Plans | Level 3 | Corporate bonds and notes |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 0 | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 0 | 0 |
U.S. Plans | Level 3 | Mutual funds - bonds |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 0 | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 0 | 0 |
U.S. Plans | Level 3 | Other mutual funds |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 0 | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 0 | 0 |
U.S. Plans | Level 3 | Cash and cash equivalents |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 0 | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 0 | 0 |
U.S. Plans | Total |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 218,084,000 | 209,237,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 218,084,000 | 209,237,000 |
U.S. Plans | Total | Common stocks |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 42,142,000 | 39,295,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 42,142,000 | 39,295,000 |
U.S. Plans | Total | Mutual funds - equities |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 40,727,000 | 40,107,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 40,727,000 | 40,107,000 |
U.S. Plans | Total | International equities - mutual funds |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 42,962,000 | 37,740,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 42,962,000 | 37,740,000 |
U.S. Plans | Total | U.S. Treasuries and collateralized securities |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 22,625,000 | 23,054,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 22,625,000 | 23,054,000 |
U.S. Plans | Total | Corporate bonds and notes |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 7,539,000 | 5,507,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 7,539,000 | 5,507,000 |
U.S. Plans | Total | Mutual funds - bonds |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 36,447,000 | 40,110,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 36,447,000 | 40,110,000 |
U.S. Plans | Total | Other mutual funds |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 20,667,000 | 19,392,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 20,667,000 | 19,392,000 |
U.S. Plans | Total | Cash and cash equivalents |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 4,975,000 | 4,032,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 4,975,000 | 4,032,000 |
International Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Accumulated benefit obligation | 1,055,700 | 952,800 |
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets [Abstract] |  |  |
Projected benefit obligation | 1,040,400 | 929,100 |
Accumulated benefit obligation | 1,029,400 | 921,000 |
Fair value of plan assets | 749,600 | 673,900 |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Expected long-term rates of return on plan assets | 6.70% | 7.40% | 7.40%
Expected long-term rates of return on plan assets for next year (as a percent) | 6.60% |  |
Fair values of plan assets | 783,059,000 | 714,163,000 | 708,025,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at beginning of year | 714,163,000 | 708,025,000 |
Employer contributions | 29,713,000 | 29,300,000 |
Fair value of plan assets at end of year | 783,059,000 | 714,163,000 | 708,025,000
International Plans | Equity securities |  |  |
Defined Benefit Plan, Information about Plan Assets [Abstract] |  |  |
Percentage of Plan Assets at December 31 | 34.50% | 34.70% |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Target Long-Term Allocation | 37.50% |  |
International Plans | Fixed income securities |  |  |
Defined Benefit Plan, Information about Plan Assets [Abstract] |  |  |
Percentage of Plan Assets at December 31 | 48.00% | 50.00% |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Target Long-Term Allocation | 42.50% |  |
International Plans | Other |  |  |
Defined Benefit Plan, Information about Plan Assets [Abstract] |  |  |
Percentage of Plan Assets at December 31 | 17.30% | 14.90% |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Target Long-Term Allocation | 20.00% |  |
International Plans | Cash and cash equivalents |  |  |
Defined Benefit Plan, Information about Plan Assets [Abstract] |  |  |
Percentage of Plan Assets at December 31 | 0.20% | 0.40% |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Target Long-Term Allocation | 0.00% |  |
International Plans | Level 1 |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 1,552,000 | 2,665,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 1,552,000 | 2,665,000 |
International Plans | Level 1 | Mutual funds - equities |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 0 | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 0 | 0 |
International Plans | Level 1 | Corporate bonds and notes |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets |  | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year |  | 0 |
International Plans | Level 1 | Mutual funds - bonds |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 0 | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 0 | 0 |
International Plans | Level 1 | Insurance contracts |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 0 | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 0 | 0 |
International Plans | Level 1 | Real estate funds / limited partnerships |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 0 | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 0 | 0 |
International Plans | Level 1 | Other mutual funds |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 0 | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 0 | 0 |
International Plans | Level 1 | Cash and cash equivalents |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 1,552,000 | 2,665,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 1,552,000 | 2,665,000 |
International Plans | Level 2 |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 763,761,000 | 699,473,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 763,761,000 | 699,473,000 |
International Plans | Level 2 | Mutual funds - equities |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 269,789,000 | 247,629,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 269,789,000 | 247,629,000 |
International Plans | Level 2 | Corporate bonds and notes |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets |  | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year |  | 0 |
International Plans | Level 2 | Mutual funds - bonds |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 309,274,000 | 294,010,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 309,274,000 | 294,010,000 |
International Plans | Level 2 | Insurance contracts |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 66,900,000 | 63,169,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 66,900,000 | 63,169,000 |
International Plans | Level 2 | Real estate funds / limited partnerships |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 31,261,000 | 31,097,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 31,261,000 | 31,097,000 |
International Plans | Level 2 | Other mutual funds |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 86,537,000 | 63,568,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 86,537,000 | 63,568,000 |
International Plans | Level 2 | Cash and cash equivalents |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 0 | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 0 | 0 |
International Plans | Level 3 |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 17,746,000 | 12,025,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 17,746,000 | 12,025,000 |
International Plans | Level 3 | Mutual funds - equities |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 0 | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 0 | 0 |
International Plans | Level 3 | Corporate bonds and notes |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets |  | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year |  | 0 |
International Plans | Level 3 | Mutual funds - bonds |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 0 | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 0 | 0 |
International Plans | Level 3 | Insurance contracts |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 0 | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 0 | 0 |
International Plans | Level 3 | Real estate funds / limited partnerships |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 17,746,000 | 12,025,000 | 10,184,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at beginning of year | 12,025,000 | 10,184,000 | 10,994,000
Employer contributions | 2,535,000 | 5,697,000 | 2,344,000
Cash distributions received | (1,270,000) | (333,000) | (636,000)
Actual return on plan assets - related to asset still held at end of year | 4,456,000 | (3,523,000) | (2,518,000)
Fair value of plan assets at end of year | 17,746,000 | 12,025,000 | 10,184,000
International Plans | Level 3 | Other mutual funds |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 0 | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 0 | 0 |
International Plans | Level 3 | Cash and cash equivalents |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 0 | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 0 | 0 |
International Plans | Total |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 783,059,000 | 714,163,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 783,059,000 | 714,163,000 |
International Plans | Total | Mutual funds - equities |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 269,789,000 | 247,629,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 269,789,000 | 247,629,000 |
International Plans | Total | Corporate bonds and notes |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets |  | 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year |  | 0 |
International Plans | Total | Mutual funds - bonds |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 309,274,000 | 294,010,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 309,274,000 | 294,010,000 |
International Plans | Total | Insurance contracts |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 66,900,000 | 63,169,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 66,900,000 | 63,169,000 |
International Plans | Total | Real estate funds / limited partnerships |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 49,007,000 | 43,122,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 49,007,000 | 43,122,000 |
International Plans | Total | Other mutual funds |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 86,537,000 | 63,568,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | 86,537,000 | 63,568,000 |
International Plans | Total | Cash and cash equivalents |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Fair values of plan assets | 1,552,000 | 2,665,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at end of year | $ 1,552,000 | $ 2,665,000 |
U.K. Plan |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Pension plan assets as a percentage of international plan assets | 85.00% |  |
Expected long-term rates of return on plan assets for next year (as a percent) | 6.80% |  |
Remaining international plans |  |  |
Defined Benefit Plan, Assets, Target Allocations [Abstract] |  |  |
Pension plan assets as a percentage of international plan assets | 15.00% |  |

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Accumulated Benefit Obligation -URI http://asc.fasb.org/extlink&oid=6503844 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph e -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. + Details
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- Definition The amount of employer securities or securities of parties related to the employer that are included in plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (n) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph n -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. + Details
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- Definition The increase in the fair value of plan assets from contributions made by the employer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph b -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 -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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- Definition Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 35 -Paragraph 50 -URI http://asc.fasb.org/extlink&oid=6867990&loc=d3e12355-114930 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 87 -Paragraph 49 -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 d(iv)(b)(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 Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph b -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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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