XML 67 R65.htm IDEA: XBRL DOCUMENT v2.4.0.8
Employee Benefit Plans (Details 3) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Dividends paid $ 66,228,000 $ 66,132,000 $ 66,176,000
U.S. Plans
      
Defined Benefit Plan Disclosure [Line Items]      
Accumulated benefit obligation 283,500 316,400  
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets [Abstract]      
Projected benefit obligation 274,800 306,500  
Accumulated benefit obligation 274,800 306,500  
Fair value of plan assets 222,600 207,700  
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Number of capital market results simulated in the model for expected return on plan assets 1,000    
Period for which results of capital markets are simulated 20 years    
Expected long-term rates of return on plan assets 7.50% 7.80% 7.80%
Number of shares of Company's common stock included in plan assets 450,000 450,000  
Value of shares of Company's common stock included in plan assets 12,600,000 10,600,000  
Dividends paid 400,000 400,000 400,000
Expected long-term rates of return on plan assets for next year (as a percent) 7.50%    
Fair values of plan assets 233,579,000 218,084,000 209,237,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at beginning of year 218,084,000 209,237,000  
Employer contributions 2,615,000 6,254,000  
Fair value of plan assets at end of year 233,579,000 218,084,000 209,237,000
U.S. Plans | Equity securities | United States
      
Defined Benefit Plan, Information about Plan Assets [Abstract]      
Percentage of Plan Assets at December 31 41.80% 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 | Equity securities | International
      
Defined Benefit Plan, Information about Plan Assets [Abstract]      
Percentage of Plan Assets at December 31 19.50% 19.70%  
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Target Long-Term Allocation - Minimum 14.00%    
Target Long-Term Allocation - Maximum 24.00%    
U.S. Plans | Harsco common stock
      
Defined Benefit Plan, Information about Plan Assets [Abstract]      
Percentage of Plan Assets at December 31 5.40% 4.80%  
U.S. Plans | Fixed income securities
      
Defined Benefit Plan, Information about Plan Assets [Abstract]      
Percentage of Plan Assets at December 31 25.90% 30.50%  
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 9.60% 9.50%  
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 3.20% 2.30%  
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 179,189,000 160,531,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 179,189,000 160,531,000  
U.S. Plans | Level 1 | Equity securities | United States
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 48,915,000 42,142,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 48,915,000 42,142,000  
U.S. Plans | Level 1 | Mutual funds - equities | United States
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 13,204,000 11,110,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 13,204,000 11,110,000  
U.S. Plans | Level 1 | Mutual funds - equities | International
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 45,475,000 37,651,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 45,475,000 37,651,000  
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 8,374,000 7,539,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 8,374,000 7,539,000  
U.S. Plans | Level 1 | Mutual funds - bonds
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 33,326,000 36,447,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 33,326,000 36,447,000  
U.S. Plans | Level 1 | Other mutual funds
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 22,508,000 20,667,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 22,508,000 20,667,000  
U.S. Plans | Level 1 | Cash and cash equivalents
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 7,387,000 4,975,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 7,387,000 4,975,000  
U.S. Plans | Level 2
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 54,390,000 57,553,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 54,390,000 57,553,000  
U.S. Plans | Level 2 | Equity securities | United States
      
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 | United States
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 35,603,000 29,617,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 35,603,000 29,617,000  
U.S. Plans | Level 2 | Mutual funds - equities | International
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 0 5,311,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 0 5,311,000  
U.S. Plans | Level 2 | U.S. Treasuries and collateralized securities
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 18,787,000 22,625,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 18,787,000 22,625,000  
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 | Equity securities | United States
      
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 | United States
      
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 | International
      
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 233,579,000 218,084,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 233,579,000 218,084,000  
U.S. Plans | Total | Equity securities | United States
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 48,915,000 42,142,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 48,915,000 42,142,000  
U.S. Plans | Total | Mutual funds - equities | United States
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 48,807,000 40,727,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 48,807,000 40,727,000  
U.S. Plans | Total | Mutual funds - equities | International
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 45,475,000 42,962,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 45,475,000 42,962,000  
U.S. Plans | Total | U.S. Treasuries and collateralized securities
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 18,787,000 22,625,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 18,787,000 22,625,000  
U.S. Plans | Total | Corporate bonds and notes
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 8,374,000 7,539,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 8,374,000 7,539,000  
U.S. Plans | Total | Mutual funds - bonds
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 33,326,000 36,447,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 33,326,000 36,447,000  
U.S. Plans | Total | Other mutual funds
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 22,508,000 20,667,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 22,508,000 20,667,000  
U.S. Plans | Total | Cash and cash equivalents
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 7,387,000 4,975,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 7,387,000 4,975,000  
International Plans
      
Defined Benefit Plan Disclosure [Line Items]      
Accumulated benefit obligation 950,700 1,055,700  
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets [Abstract]      
Projected benefit obligation 926,800 1,040,400  
Accumulated benefit obligation 923,900 1,029,400  
Fair value of plan assets 737,600 749,600  
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Expected long-term rates of return on plan assets 6.60% 6.70% 7.40%
Expected long-term rates of return on plan assets for next year (as a percent) 6.80%    
Fair values of plan assets 770,911,000 783,059,000 714,163,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at beginning of year 783,059,000 714,163,000  
Employer contributions 30,258,000 29,713,000  
Fair value of plan assets at end of year 770,911,000 783,059,000 714,163,000
International Plans | United Kingdom
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Pension plan assets as a percentage of international plan assets 94.00%    
Expected long-term rates of return on plan assets for next year (as a percent) 6.80%    
International Plans | International, other than UK
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Pension plan assets as a percentage of international plan assets 6.00%    
International Plans | Equity securities
      
Defined Benefit Plan, Information about Plan Assets [Abstract]      
Percentage of Plan Assets at December 31 38.50% 34.50%  
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 42.00% 48.00%  
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 19.20% 17.30%  
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 0.30% 0.20%  
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 2,456,000 1,552,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 2,456,000 1,552,000  
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 | 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 2,456,000 1,552,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 2,456,000 1,552,000  
International Plans | Level 2
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 748,032,000 763,761,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 748,032,000 763,761,000  
International Plans | Level 2 | Mutual funds - equities
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 296,980,000 269,789,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 296,980,000 269,789,000  
International Plans | Level 2 | Mutual funds - bonds
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 314,965,000 309,274,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 314,965,000 309,274,000  
International Plans | Level 2 | Insurance contracts
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 8,797,000 66,900,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 8,797,000 66,900,000  
International Plans | Level 2 | Real estate funds / limited partnerships
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 32,310,000 31,261,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 32,310,000 31,261,000  
International Plans | Level 2 | Other mutual funds
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 94,980,000 86,537,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 94,980,000 86,537,000  
International Plans | Level 2 | Cash and cash equivalents
      
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
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 20,423,000 17,746,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 20,423,000 17,746,000  
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 | 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 20,423,000 17,746,000 12,025,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at beginning of year 17,746,000 12,025,000 10,184,000
Employer contributions 838,000 2,535,000 5,697,000
Cash distributions received (1,380,000) (1,270,000) (333,000)
Actual return on plan assets - related to asset still held at end of year 3,219,000 4,456,000 (3,523,000)
Fair value of plan assets at end of year 20,423,000 17,746,000 12,025,000
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 770,911,000 783,059,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 770,911,000 783,059,000  
International Plans | Total | Mutual funds - equities
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 296,980,000 269,789,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 296,980,000 269,789,000  
International Plans | Total | Mutual funds - bonds
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 314,965,000 309,274,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 314,965,000 309,274,000  
International Plans | Total | Insurance contracts
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 8,797,000 66,900,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 8,797,000 66,900,000  
International Plans | Total | Real estate funds / limited partnerships
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 52,733,000 49,007,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 52,733,000 49,007,000  
International Plans | Total | Other mutual funds
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 94,980,000 86,537,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 94,980,000 86,537,000  
International Plans | Total | Cash and cash equivalents
      
Defined Benefit Plan, Assets, Target Allocations [Abstract]      
Fair values of plan assets 2,456,000 1,552,000  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at end of year $ 2,456,000 $ 1,552,000