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Employee Benefit Plans - Fair Value of Plan Assets by Category (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
PHILIPPINES      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase 4.00% 4.00%  
TAIWAN, PROVINCE OF CHINA      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase 4.00% 4.00%  
UNITED KINGDOM      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase 4.65% 4.20%  
Foreign Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase 4.59% 4.18%  
Fair value of plan assets $ 69.3 $ 65.7 $ 58.2
Foreign Plan [Member] | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 13.0 11.6  
Foreign Plan [Member] | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 56.3 54.1  
Foreign Plan [Member] | Level 3      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0.0 0.0  
Foreign Plan [Member] | Fixed income investments      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 29.6 28.3  
Foreign Plan [Member] | Fixed income investments | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 3.5 3.4  
Foreign Plan [Member] | Fixed income investments | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 26.1 24.9  
Foreign Plan [Member] | Fixed income investments | Level 3      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0.0 0.0  
Foreign Plan [Member] | Common stock funds      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 18.9 18.9  
Foreign Plan [Member] | Common stock funds | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0.0 0.0  
Foreign Plan [Member] | Common stock funds | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 18.9 18.9  
Foreign Plan [Member] | Common stock funds | Level 3      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0.0 0.0  
Foreign Plan [Member] | Real Estate Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 5.5 5.0  
Foreign Plan [Member] | Real Estate Funds [Member] | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0.0 0.0  
Foreign Plan [Member] | Real Estate Funds [Member] | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 5.5 5.0  
Foreign Plan [Member] | Real Estate Funds [Member] | Level 3      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0.0 0.0  
Foreign Plan [Member] | Cash and equivalents      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0.5 0.3  
Foreign Plan [Member] | Cash and equivalents | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0.5 0.3  
Foreign Plan [Member] | Cash and equivalents | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0.0 0.0  
Foreign Plan [Member] | Cash and equivalents | Level 3      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0.0 0.0  
Foreign Plan [Member] | Other      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 14.8 13.2  
Foreign Plan [Member] | Other | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 9.0 7.9  
Foreign Plan [Member] | Other | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 5.8 5.3  
Foreign Plan [Member] | Other | Level 3      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 0.0 $ 0.0