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Employee Benefits Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets (Tables)
 12 Months Ended
Dec. 31, 2021
Retirement Benefits [Abstract]  
Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block]
The following table presents additional information about our significant foreign pension plan assets for which we utilize Level 3 inputs to determine fair value.
 Years ended December 31,
Plan assets subject to fair value hierarchy, Level 320212020
Balance at beginning of period$25.9 $25.6 
Actual return on plan assets(1.9)0.3 
Balance at end of period$24.0 $25.9