v3.3.1.900
Defined Benefit Plans Plan Asset Allocation, Fair Value Hierarchy (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Defined Benefit Plan, Fair Value of Plan Assets $ 1,337,405 $ 1,469,103  
Fair Value, Inputs, Level 1 [Member]      
Defined Benefit Plan, Fair Value of Plan Assets 457,361 523,253  
Fair Value, Inputs, Level 2 [Member]      
Defined Benefit Plan, Fair Value of Plan Assets 403,495 469,004  
Measured at Net Asset Value [Member]      
Defined Benefit Plan, Fair Value of Plan Assets [1] 476,549 476,846  
U.S. Plans [Member] | U.S. Large Cap [Member]      
Defined Benefit Plan, Fair Value of Plan Assets 100,226 104,164  
U.S. Plans [Member] | U.S. Small Mid Cap [Member]      
Defined Benefit Plan, Fair Value of Plan Assets 48,773 63,210  
U.S. Plans [Member] | International Securities [Member]      
Defined Benefit Plan, Fair Value of Plan Assets 58,642 58,713  
U.S. Plans [Member] | U.S. Government and Corporate [Member]      
Defined Benefit Plan, Fair Value of Plan Assets 143,787 157,872  
U.S. Plans [Member] | Structured Loan Fund [Member]      
Defined Benefit Plan, Fair Value of Plan Assets   1,226  
U.S. Plans [Member] | Other Securities [Member]      
Defined Benefit Plan, Fair Value of Plan Assets 4,728 [2] 4,421 [3]  
U.S. Plans [Member] | Fair Value, Inputs, Level 1 [Member] | U.S. Large Cap [Member]      
Defined Benefit Plan, Fair Value of Plan Assets   3,901  
U.S. Plans [Member] | Fair Value, Inputs, Level 1 [Member] | U.S. Small Mid Cap [Member]      
Defined Benefit Plan, Fair Value of Plan Assets 7,874 19,540  
U.S. Plans [Member] | Fair Value, Inputs, Level 1 [Member] | International Securities [Member]      
Defined Benefit Plan, Fair Value of Plan Assets   2,461  
U.S. Plans [Member] | Fair Value, Inputs, Level 1 [Member] | U.S. Government and Corporate [Member]      
Defined Benefit Plan, Fair Value of Plan Assets   10,508  
U.S. Plans [Member] | Fair Value, Inputs, Level 1 [Member] | Other Securities [Member]      
Defined Benefit Plan, Fair Value of Plan Assets 1,811 [2] $ 1,623 [3]  
U.S. Plans [Member] | Fair Value, Inputs, Level 3 [Member] | Structured Loan Fund [Member]      
Defined Benefit Plan, Fair Value of Plan Assets    
U.S. Plans [Member] | Measured at Net Asset Value [Member] | U.S. Large Cap [Member]      
Defined Benefit Plan, Fair Value of Plan Assets [1] 100,226 $ 100,263  
U.S. Plans [Member] | Measured at Net Asset Value [Member] | U.S. Small Mid Cap [Member]      
Defined Benefit Plan, Fair Value of Plan Assets [1] 40,899 43,670  
U.S. Plans [Member] | Measured at Net Asset Value [Member] | International Securities [Member]      
Defined Benefit Plan, Fair Value of Plan Assets [1] 58,642 56,252  
U.S. Plans [Member] | Measured at Net Asset Value [Member] | U.S. Government and Corporate [Member]      
Defined Benefit Plan, Fair Value of Plan Assets [1] 143,787 147,364  
U.S. Plans [Member] | Measured at Net Asset Value [Member] | Structured Loan Fund [Member]      
Defined Benefit Plan, Fair Value of Plan Assets   1,226  
U.S. Plans [Member] | Measured at Net Asset Value [Member] | Other Securities [Member]      
Defined Benefit Plan, Fair Value of Plan Assets 2,917 [1],[2] 2,798 [3],[4]  
Foreign Pension Plans [Member]      
Defined Benefit Plan, Fair Value of Plan Assets 981,249 1,079,497 $ 999,197
Foreign Pension Plans [Member] | Cash and Cash Equivalents [Member]      
Defined Benefit Plan, Fair Value of Plan Assets 12,832 12,951  
Foreign Pension Plans [Member] | Equity Securities [Member]      
Defined Benefit Plan, Fair Value of Plan Assets 312,852 326,107  
Foreign Pension Plans [Member] | Non-U.S. Government and Corporate Bonds [Member]      
Defined Benefit Plan, Fair Value of Plan Assets 626,374 707,990  
Foreign Pension Plans [Member] | Other Securities [Member]      
Defined Benefit Plan, Fair Value of Plan Assets 29,191 [2] 32,449 [3]  
Foreign Pension Plans [Member] | Fair Value, Inputs, Level 1 [Member] | Cash and Cash Equivalents [Member]      
Defined Benefit Plan, Fair Value of Plan Assets 12,832 12,951  
Foreign Pension Plans [Member] | Fair Value, Inputs, Level 1 [Member] | Equity Securities [Member]      
Defined Benefit Plan, Fair Value of Plan Assets 150,376 161,524  
Foreign Pension Plans [Member] | Fair Value, Inputs, Level 1 [Member] | Non-U.S. Government and Corporate Bonds [Member]      
Defined Benefit Plan, Fair Value of Plan Assets 282,504 308,705  
Foreign Pension Plans [Member] | Fair Value, Inputs, Level 1 [Member] | Other Securities [Member]      
Defined Benefit Plan, Fair Value of Plan Assets 1,964 [2] 2,040 [3]  
Foreign Pension Plans [Member] | Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member]      
Defined Benefit Plan, Fair Value of Plan Assets 32,398 39,310  
Foreign Pension Plans [Member] | Fair Value, Inputs, Level 2 [Member] | Non-U.S. Government and Corporate Bonds [Member]      
Defined Benefit Plan, Fair Value of Plan Assets 343,870 399,285  
Foreign Pension Plans [Member] | Fair Value, Inputs, Level 2 [Member] | Other Securities [Member]      
Defined Benefit Plan, Fair Value of Plan Assets 27,227 [2] 30,409 [3]  
Foreign Pension Plans [Member] | Measured at Net Asset Value [Member] | Equity Securities [Member]      
Defined Benefit Plan, Fair Value of Plan Assets [1] $ 130,078 $ 125,273  
[1] In accordance with ASU No. 2015-07, certain investments that are measured at fair value using the net asset value per share (or its equivalent)practical expedient (the “NAV”) have not been classified in the fair value hierarchy. These investments, consisting of common/collective trusts, are valued using the NAV provided by the Trustee. The NAV is based on the underlying investments held by the fund, that are traded in an active market, less its liabilities. These investments are able to be redeemed in the near-term. See further discussion in Note 3, “Recently Issued Accounting Pronouncements”.
[2] Represents diversified portfolio funds, real estate and reinsurance contracts and money market funds.
[3] Represents diversified portfolio funds and reinsurance contracts maintained for certain plans.
[4] In accordance with ASU No. 2015-07, certain investments that are measured at fair value using the net asset value per share (or its equivalent)practical expedient (the “NAV”) have not been classified in the fair value hierarchy. These investments, consisting primarily of common/collective trusts, are valued using the NAV provided by the Trustee. The NAV is based on the underlying investments held by the fund, that are traded in an active market, less its liabilities. These investments are able to be redeemed in the near-term. See further discussion in Note 3, “Recently Issued Accounting Pronouncements”.