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Benefit Plans Benefit Plans - Allocation of Plan Assets (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Private equity funds        
Defined Benefit Plan Disclosure [Line Items]        
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Unfunded Commitments $ 2.4   $ 2.4  
U.S. Plans | Asset-backed Securities, Securitized Loans and Receivables | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   $ 0.0    
U.S. Plans | Asset-backed Securities, Securitized Loans and Receivables | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   $ 0.0    
U.S. Plans | Pension Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Target   100.00%    
Actual   100.00% 100.00%  
Fair value of plan assets   $ 511.3 $ 486.4 $ 427.8
U.S. Plans | Pension Benefits | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   4.1 92.7  
U.S. Plans | Pension Benefits | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     350.0  
U.S. Plans | Pension Benefits | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   507.2 43.7  
U.S. Plans | Pension Benefits | Cash and short-term investments        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   2.5 16.4  
U.S. Plans | Pension Benefits | Cash and short-term investments | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   2.5 16.4  
U.S. Plans | Pension Benefits | Cash and short-term investments | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
U.S. Plans | Pension Benefits | Cash and short-term investments | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
U.S. Plans | Pension Benefits | Mutual funds        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   1.1    
U.S. Plans | Pension Benefits | Mutual funds | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   1.1    
U.S. Plans | Pension Benefits | Mutual funds | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0    
U.S. Plans | Pension Benefits | Mutual funds | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0    
U.S. Plans | Pension Benefits | U.S. small cap core        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     23.6  
U.S. Plans | Pension Benefits | U.S. small cap core | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     23.6  
U.S. Plans | Pension Benefits | U.S. small cap core | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     0.0  
U.S. Plans | Pension Benefits | U.S. small cap core | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     0.0  
U.S. Plans | Pension Benefits | U.S. corporate bonds        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     61.8  
U.S. Plans | Pension Benefits | U.S. corporate bonds | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     0.0  
U.S. Plans | Pension Benefits | U.S. corporate bonds | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     61.8  
U.S. Plans | Pension Benefits | U.S. corporate bonds | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     0.0  
U.S. Plans | Pension Benefits | International corporate bonds | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
U.S. Plans | Pension Benefits | International corporate bonds | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
U.S. Plans | Pension Benefits | International corporate bonds | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
U.S. Plans | Pension Benefits | U.S. government        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     5.5  
U.S. Plans | Pension Benefits | U.S. government | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     0.0  
U.S. Plans | Pension Benefits | U.S. government | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     5.5  
U.S. Plans | Pension Benefits | U.S. government | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     0.0  
U.S. Plans | Pension Benefits | Fixed and index funds        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     1.9  
U.S. Plans | Pension Benefits | Fixed and index funds | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
U.S. Plans | Pension Benefits | Fixed and index funds | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 1.9  
U.S. Plans | Pension Benefits | Fixed and index funds | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
U.S. Plans | Pension Benefits | Real estate        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   17.2 18.0  
U.S. Plans | Pension Benefits | Real estate | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
U.S. Plans | Pension Benefits | Real estate | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
U.S. Plans | Pension Benefits | Real estate | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   17.2 18.0  
U.S. Plans | Pension Benefits | Other common collective trusts        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   485.9 280.8  
U.S. Plans | Pension Benefits | Other common collective trusts | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
U.S. Plans | Pension Benefits | Other common collective trusts | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 280.8  
U.S. Plans | Pension Benefits | Other common collective trusts | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   485.9 0.0  
U.S. Plans | Pension Benefits | Multi-strategy hedge funds        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     21.4  
U.S. Plans | Pension Benefits | Multi-strategy hedge funds | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     0.0  
U.S. Plans | Pension Benefits | Multi-strategy hedge funds | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     0.0  
U.S. Plans | Pension Benefits | Multi-strategy hedge funds | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     21.4  
U.S. Plans | Pension Benefits | Private equity funds        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   4.1 4.3  
U.S. Plans | Pension Benefits | Private equity funds | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
U.S. Plans | Pension Benefits | Private equity funds | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
U.S. Plans | Pension Benefits | Private equity funds | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   4.1 4.3  
U.S. Plans | Pension Benefits | Other Alternative Investments [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
U.S. Plans | Pension Benefits | Other Alternative Investments [Member] | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
U.S. Plans | Pension Benefits | Other Alternative Investments [Member] | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
U.S. Plans | Pension Benefits | Other Alternative Investments [Member] | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
U.S. Plans | Pension Benefits | International developed markets        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     52.7  
U.S. Plans | Pension Benefits | International developed markets | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 52.7  
U.S. Plans | Pension Benefits | International developed markets | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
U.S. Plans | Pension Benefits | International developed markets | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 $ 0.0  
U.S. Plans | Pension Benefits | Asset-backed Securities, Securitized Loans and Receivables        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.5    
U.S. Plans | Pension Benefits | Asset-backed Securities, Securitized Loans and Receivables | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   $ 0.5    
U.S. Plans | Real estate | Pension Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Target   2.00%    
Actual   3.00% 4.00%  
U.S. Plans | Equity securities | Pension Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Target   45.00%    
Actual   46.00% 50.00%  
U.S. Plans | Debt securities | Pension Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Target   52.00%    
Actual   50.00% 37.00%  
U.S. Plans | Other | Pension Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Target   1.00%    
Actual   1.00% 9.00%  
Foreign Plan [Member] | Asset-backed Securities, Securitized Loans and Receivables | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   $ 0.0    
Foreign Plan [Member] | Asset-backed Securities, Securitized Loans and Receivables | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0    
Foreign Plan [Member] | Asset-backed Securities, Securitized Loans and Receivables | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   $ 0.0    
Foreign Plan [Member] | Pension Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Target   100.00%    
Actual   100.00% 100.00%  
Fair value of plan assets   $ 394.4 $ 394.1 $ 359.6
Foreign Plan [Member] | Pension Benefits | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   312.4 218.0  
Foreign Plan [Member] | Pension Benefits | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   15.9 93.3  
Foreign Plan [Member] | Pension Benefits | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   66.1 82.8  
Foreign Plan [Member] | Pension Benefits | Cash and short-term investments        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   19.7 20.9  
Foreign Plan [Member] | Pension Benefits | Cash and short-term investments | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   19.7 20.1  
Foreign Plan [Member] | Pension Benefits | Cash and short-term investments | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.8  
Foreign Plan [Member] | Pension Benefits | Cash and short-term investments | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
Foreign Plan [Member] | Pension Benefits | Mutual funds        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.7    
Foreign Plan [Member] | Pension Benefits | Mutual funds | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0    
Foreign Plan [Member] | Pension Benefits | Mutual funds | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0    
Foreign Plan [Member] | Pension Benefits | Mutual funds | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.7    
Foreign Plan [Member] | Pension Benefits | U.S. small cap core        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     9.3  
Foreign Plan [Member] | Pension Benefits | U.S. small cap core | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     9.3  
Foreign Plan [Member] | Pension Benefits | U.S. small cap core | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     0.0  
Foreign Plan [Member] | Pension Benefits | U.S. small cap core | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     0.0  
Foreign Plan [Member] | Pension Benefits | U.S. corporate bonds        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     7.8  
Foreign Plan [Member] | Pension Benefits | U.S. corporate bonds | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     0.0  
Foreign Plan [Member] | Pension Benefits | U.S. corporate bonds | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     7.8  
Foreign Plan [Member] | Pension Benefits | U.S. corporate bonds | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     0.0  
Foreign Plan [Member] | Pension Benefits | International corporate bonds        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   58.8 67.5  
Foreign Plan [Member] | Pension Benefits | International corporate bonds | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   58.8 0.0  
Foreign Plan [Member] | Pension Benefits | International corporate bonds | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 67.5  
Foreign Plan [Member] | Pension Benefits | International corporate bonds | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
Foreign Plan [Member] | Pension Benefits | U.S. government        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     10.9  
Foreign Plan [Member] | Pension Benefits | U.S. government | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     0.0  
Foreign Plan [Member] | Pension Benefits | U.S. government | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     10.9  
Foreign Plan [Member] | Pension Benefits | U.S. government | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     0.0  
Foreign Plan [Member] | Pension Benefits | Fixed and index funds        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   38.6    
Foreign Plan [Member] | Pension Benefits | Fixed and index funds | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   18.9 0.0  
Foreign Plan [Member] | Pension Benefits | Fixed and index funds | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
Foreign Plan [Member] | Pension Benefits | Fixed and index funds | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   19.7 0.0  
Foreign Plan [Member] | Pension Benefits | Real estate        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   45.8 6.3  
Foreign Plan [Member] | Pension Benefits | Real estate | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
Foreign Plan [Member] | Pension Benefits | Real estate | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   15.9 6.3  
Foreign Plan [Member] | Pension Benefits | Real estate | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   29.9 0.0  
Foreign Plan [Member] | Pension Benefits | Other common collective trusts | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
Foreign Plan [Member] | Pension Benefits | Other common collective trusts | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
Foreign Plan [Member] | Pension Benefits | Other common collective trusts | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0  
Foreign Plan [Member] | Pension Benefits | Multi-strategy hedge funds | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     0.0  
Foreign Plan [Member] | Pension Benefits | Multi-strategy hedge funds | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     0.0  
Foreign Plan [Member] | Pension Benefits | Multi-strategy hedge funds | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets     0.0  
Foreign Plan [Member] | Pension Benefits | Private equity funds | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
Foreign Plan [Member] | Pension Benefits | Private equity funds | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
Foreign Plan [Member] | Pension Benefits | Private equity funds | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
Foreign Plan [Member] | Pension Benefits | Other Alternative Investments [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   14.0 82.8  
Foreign Plan [Member] | Pension Benefits | Other Alternative Investments [Member] | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.4 0.0  
Foreign Plan [Member] | Pension Benefits | Other Alternative Investments [Member] | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
Foreign Plan [Member] | Pension Benefits | Other Alternative Investments [Member] | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   13.6 82.8  
Foreign Plan [Member] | Pension Benefits | International developed markets        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   216.8 188.6  
Foreign Plan [Member] | Pension Benefits | International developed markets | Level 1        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   214.6 188.6  
Foreign Plan [Member] | Pension Benefits | International developed markets | Level 2        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   0.0 0.0  
Foreign Plan [Member] | Pension Benefits | International developed markets | NAV        
Defined Benefit Plan Disclosure [Line Items]        
Fair value of plan assets   $ 2.2 $ 0.0  
Foreign Plan [Member] | Real estate | Pension Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Target   12.00%    
Actual   12.00% 10.00%  
Foreign Plan [Member] | Equity securities | Pension Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Target   55.00%    
Actual   55.00% 50.00%  
Foreign Plan [Member] | Debt securities | Pension Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Target   25.00%    
Actual   25.00% 22.00%  
Foreign Plan [Member] | Other | Pension Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Target   8.00%    
Actual   8.00% 18.00%  
Office [Member] | Real estate        
Defined Benefit Plan Disclosure [Line Items]        
Actual   31.00% 36.00%  
Industrial, Cash and Other [Member] | Real estate        
Defined Benefit Plan Disclosure [Line Items]        
Actual   33.00% 21.00%  
S&P Mid Cap 400 Index Funds [Member] | Other common collective trusts        
Defined Benefit Plan Disclosure [Line Items]        
Actual   16.00%    
Emerging markets | Other common collective trusts        
Defined Benefit Plan Disclosure [Line Items]        
Actual   10.00%    
Russell 1000 Fund Large Cap Index Funds [Member] | Other common collective trusts        
Defined Benefit Plan Disclosure [Line Items]        
Actual   33.00%    
Buyout Private Equity Funds [Member] | Private equity funds        
Defined Benefit Plan Disclosure [Line Items]        
Actual 33.00% 46.00%    
Special Situation Private Equity and Debt Funds [Member] | Private equity funds        
Defined Benefit Plan Disclosure [Line Items]        
Actual 29.00% 26.00%    
Venture Private Equity Funds [Member] | Private equity funds        
Defined Benefit Plan Disclosure [Line Items]        
Actual 19.00% 28.00%    
Residential [Member] | Real estate        
Defined Benefit Plan Disclosure [Line Items]        
Actual   24.00% 22.00%  
Corporate Debt Securities [Member] | Other common collective trusts        
Defined Benefit Plan Disclosure [Line Items]        
Actual 42.00% 55.00%    
Collateralized Mortgage Backed Securities [Member] | Other common collective trusts        
Defined Benefit Plan Disclosure [Line Items]        
Actual   25.00%