XML 77 R62.htm IDEA: XBRL DOCUMENT v3.8.0.1
Employee Benefit Plans (Details 3) - Pension Plan
$ in Thousands
 12 Months Ended
Dec. 31, 2017
USD ($)
market
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2017
USD ($)
shares
Dec. 31, 2016
USD ($)
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Expected long-term rates of return on plan assets for next year (as a percent) 6.00%        
Expected long-term rates of return on plan assets 6.20% 6.70% 7.00%    
U.S. Plans          
Defined Benefit Plan Disclosure [Line Items]          
Accumulated benefit obligation       $ 314,900 $ 305,700
Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Abstract]          
Projected benefit obligation       306,000 296,700
Accumulated benefit obligation       306,000 296,700
Fair value of plan assets       $ 219,200 195,600
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Number of capital market results simulated in the model for expected return on plan assets | market 1,000        
Period for which results of capital markets are simulated 20 years        
Expected long-term rates of return on plan assets for next year (as a percent) 7.30%        
Expected long-term rates of return on plan assets 7.30% 7.30% 7.50%    
Number of shares of Company's common stock included in plan assets | shares       450,000  
Value of shares of Company's common stock included in plan assets       $ 8,400 6,100
Fair values of plan assets $ 205,271 $ 208,870 $ 208,870 $ 229,941 $ 205,271
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 205,271 208,870      
Employer contributions 5,899 2,021      
Fair value of plan assets at end of year 229,941 205,271 $ 208,870    
U.S. Plans | Domestic equity securities          
Defined Benefit Plan, Information about Plan Assets [Abstract]          
Percentage of Plan Assets at December 31       38.60% 39.70%
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 27,339 27,339   $ 28,200 $ 27,339
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 27,339        
Fair value of plan assets at end of year 28,200 27,339      
U.S. Plans | Domestic equity securities | Minimum          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Target Long-Term Allocation (less than 5% for Cash and cash equivalents)       34.00%  
U.S. Plans | Domestic equity securities | Maximum          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Target Long-Term Allocation (less than 5% for Cash and cash equivalents)       44.00%  
U.S. Plans | Domestic mutual funds—equities          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 54,102 54,102   $ 60,785 $ 54,102
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 54,102        
Fair value of plan assets at end of year 60,785 54,102      
U.S. Plans | International equity securities          
Defined Benefit Plan, Information about Plan Assets [Abstract]          
Percentage of Plan Assets at December 31       24.50% 18.50%
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 1,429     $ 1,429  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at end of year 1,429        
U.S. Plans | International equity securities | Minimum          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Target Long-Term Allocation (less than 5% for Cash and cash equivalents)       19.00%  
U.S. Plans | International equity securities | Maximum          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Target Long-Term Allocation (less than 5% for Cash and cash equivalents)       29.00%  
U.S. Plans | International equities—mutual funds          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 37,948 37,948   $ 54,879 $ 37,948
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 37,948        
Fair value of plan assets at end of year 54,879 37,948      
U.S. Plans | Harsco common stock          
Defined Benefit Plan, Information about Plan Assets [Abstract]          
Percentage of Plan Assets at December 31       3.70% 3.00%
U.S. Plans | Fixed income securities          
Defined Benefit Plan, Information about Plan Assets [Abstract]          
Percentage of Plan Assets at December 31       30.90% 30.90%
U.S. Plans | Fixed income securities | Minimum          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Target Long-Term Allocation (less than 5% for Cash and cash equivalents)       28.00%  
U.S. Plans | Fixed income securities | Maximum          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Target Long-Term Allocation (less than 5% for Cash and cash equivalents)       38.00%  
U.S. Plans | U.S. Treasuries and collateralized securities          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 14,240 14,240   $ 18,407 $ 14,240
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 14,240        
Fair value of plan assets at end of year 18,407 14,240      
U.S. Plans | Corporate bonds and notes          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 11,457 11,457   10,878 11,457
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 11,457        
Fair value of plan assets at end of year 10,878 11,457      
U.S. Plans | Mutual funds - bonds          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 37,745 37,745   $ 41,745 $ 37,745
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 37,745        
Fair value of plan assets at end of year 41,745 37,745      
U.S. Plans | Other          
Defined Benefit Plan, Information about Plan Assets [Abstract]          
Percentage of Plan Assets at December 31       5.00% 9.90%
U.S. Plans | Other | Minimum          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Target Long-Term Allocation (less than 5% for Cash and cash equivalents)       0.00%  
U.S. Plans | Other | Maximum          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Target Long-Term Allocation (less than 5% for Cash and cash equivalents)       10.00%  
U.S. Plans | Other mutual funds          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 20,346 20,346   $ 11,336 $ 20,346
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 20,346        
Fair value of plan assets at end of year 11,336 20,346      
U.S. Plans | Cash and cash equivalents          
Defined Benefit Plan, Information about Plan Assets [Abstract]          
Percentage of Plan Assets at December 31       1.00% 1.00%
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 2,094 2,094   $ 2,282 $ 2,094
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 2,094        
Fair value of plan assets at end of year 2,282 2,094      
U.S. Plans | Cash and cash equivalents | Maximum          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Target Long-Term Allocation (less than 5% for Cash and cash equivalents)       5.00%  
U.S. Plans | Level 1          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 121,039 121,039   $ 132,250 121,039
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 121,039        
Fair value of plan assets at end of year 132,250 121,039      
U.S. Plans | Level 1 | Domestic equity securities          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 27,339 27,339   28,200 27,339
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 27,339        
Fair value of plan assets at end of year 28,200 27,339      
U.S. Plans | Level 1 | Domestic mutual funds—equities          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 9,928 9,928   11,062 9,928
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 9,928        
Fair value of plan assets at end of year 11,062 9,928      
U.S. Plans | Level 1 | International equity securities          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 1,429     1,429  
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at end of year 1,429        
U.S. Plans | Level 1 | International equities—mutual funds          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 37,948 37,948   54,879 37,948
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 37,948        
Fair value of plan assets at end of year 54,879 37,948      
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   0 0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 0        
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 11,457 11,457   10,878 11,457
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 11,457        
Fair value of plan assets at end of year 10,878 11,457      
U.S. Plans | Level 1 | Mutual funds - bonds          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 11,927 11,927   12,184 11,927
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 11,927        
Fair value of plan assets at end of year 12,184 11,927      
U.S. Plans | Level 1 | Other mutual funds          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 20,346 20,346   11,336 20,346
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 20,346        
Fair value of plan assets at end of year 11,336 20,346      
U.S. Plans | Level 1 | Cash and cash equivalents          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 2,094 2,094   2,282 2,094
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 2,094        
Fair value of plan assets at end of year 2,282 2,094      
U.S. Plans | Level 2          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 84,232 84,232   97,691 84,232
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 84,232        
Fair value of plan assets at end of year 97,691 84,232      
U.S. Plans | Level 2 | Domestic equity securities          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 0 0   0 0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 0        
Fair value of plan assets at end of year 0 0      
U.S. Plans | Level 2 | Domestic mutual funds—equities          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 44,174 44,174   49,723 44,174
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 44,174        
Fair value of plan assets at end of year 49,723 44,174      
U.S. Plans | Level 2 | International equity 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        
U.S. Plans | Level 2 | International equities—mutual funds          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 0 0   0 0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 0        
Fair value of plan assets at end of year 0 0      
U.S. Plans | Level 2 | U.S. Treasuries and collateralized securities          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 14,240 14,240   18,407 14,240
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 14,240        
Fair value of plan assets at end of year 18,407 14,240      
U.S. Plans | Level 2 | Corporate bonds and notes          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 0 0   0 0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 0        
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 25,818 25,818   29,561 25,818
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 25,818        
Fair value of plan assets at end of year 29,561 25,818      
U.S. Plans | Level 2 | Other mutual funds          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 0 0   0 0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 0        
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   0 0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 0        
Fair value of plan assets at end of year $ 0 $ 0      
International Plans          
Defined Benefit Plan Disclosure [Line Items]          
Accumulated benefit obligation       1,010,600 946,300
Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Abstract]          
Projected benefit obligation       986,600 913,000
Accumulated benefit obligation       981,900 910,000
Fair value of plan assets       812,000 694,900
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Expected long-term rates of return on plan assets for next year (as a percent) 5.60%        
Expected long-term rates of return on plan assets 5.90% 6.50% 6.80%    
Fair values of plan assets $ 732,743 $ 755,966 $ 755,966 $ 842,717 $ 732,743
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 732,743 755,966      
Employer contributions 18,187 17,192      
Fair value of plan assets at end of year $ 842,717 $ 732,743 $ 755,966    
International Plans | United Kingdom          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Expected long-term rates of return on plan assets for next year (as a percent) 5.50% 5.80%      
Pension plan assets as a percentage of international plan assets       94.00%  
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 [Member]          
Defined Benefit Plan, Information about Plan Assets [Abstract]          
Percentage of Plan Assets at December 31       38.90% 37.10%
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Target Long-Term Allocation (less than 5% for Cash and cash equivalents)       29.00%  
International Plans | Mutual funds - equities          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets $ 272,070 $ 272,070   $ 328,002 $ 272,070
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 272,070        
Fair value of plan assets at end of year 328,002 272,070      
International Plans | Fixed income securities          
Defined Benefit Plan, Information about Plan Assets [Abstract]          
Percentage of Plan Assets at December 31       44.60% 43.90%
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Target Long-Term Allocation (less than 5% for Cash and cash equivalents)       50.00%  
International Plans | Mutual funds - bonds          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 314,098 314,098   $ 369,291 $ 314,098
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 314,098        
Fair value of plan assets at end of year 369,291 314,098      
International Plans | Insurance contracts          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 7,657 7,657   $ 6,189 $ 7,657
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 7,657        
Fair value of plan assets at end of year 6,189 7,657      
International Plans | Other          
Defined Benefit Plan, Information about Plan Assets [Abstract]          
Percentage of Plan Assets at December 31       16.20% 18.70%
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Target Long-Term Allocation (less than 5% for Cash and cash equivalents)       21.00%  
International Plans | Real estate funds / limited partnerships          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 23,714 23,714     $ 23,714
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 23,714        
Fair value of plan assets at end of year   23,714      
International Plans | Other mutual funds          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 113,345 113,345   $ 136,843 $ 113,345
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 113,345        
Fair value of plan assets at end of year 136,843 113,345      
International Plans | Cash and cash equivalents          
Defined Benefit Plan, Information about Plan Assets [Abstract]          
Percentage of Plan Assets at December 31       0.30% 0.30%
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Target Long-Term Allocation (less than 5% for Cash and cash equivalents)       0.00%  
Fair values of plan assets 1,859 1,859   $ 2,392 $ 1,859
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 1,859        
Fair value of plan assets at end of year 2,392 1,859      
International Plans | Level 1          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 1,859 1,859   2,392 1,859
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 1,859        
Fair value of plan assets at end of year 2,392 1,859      
International Plans | Level 1 | Mutual funds - equities          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 0 0   0 0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 0        
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   0 0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 0        
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
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year        
Fair value of plan assets at end of year 0      
International Plans | Level 1 | Real estate funds / limited partnerships          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 0 0     0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 0        
Fair value of plan assets at end of year   0      
International Plans | Level 1 | Other mutual funds          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 0 0   0 0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 0        
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 1,859 1,859   2,392 1,859
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 1,859        
Fair value of plan assets at end of year 2,392 1,859      
International Plans | Level 2          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 730,884 730,884   840,325 730,884
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 730,884        
Fair value of plan assets at end of year 840,325 730,884      
International Plans | Level 2 | Mutual funds - equities          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 272,070 272,070   328,002 272,070
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 272,070        
Fair value of plan assets at end of year 328,002 272,070      
International Plans | Level 2 | Mutual funds - bonds          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 314,098 314,098   369,291 314,098
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 314,098        
Fair value of plan assets at end of year 369,291 314,098      
International Plans | Level 2 | Insurance contracts          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 7,657 7,657   6,189 7,657
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 7,657        
Fair value of plan assets at end of year 6,189 7,657      
International Plans | Level 2 | Real estate funds / limited partnerships          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 23,714 23,714     23,714
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 23,714        
Fair value of plan assets at end of year   23,714      
International Plans | Level 2 | Other mutual funds          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 113,345 113,345   136,843 113,345
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 113,345        
Fair value of plan assets at end of year 136,843 113,345      
International Plans | Level 2 | Cash and cash equivalents          
Defined Benefit Plan, Assets, Target Allocations [Abstract]          
Fair values of plan assets 0 0   $ 0 $ 0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]          
Fair value of plan assets at beginning of year 0        
Fair value of plan assets at end of year $ 0 $ 0