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Foreign Operations
12 Months Ended
Dec. 31, 2021
Concentration Risks, Types, No Concentration Percentage [Abstract]  
Foreign Operations Foreign Operations For the years ended December 31, 2021, 2020, and 2019, we did not derive revenues in excess of 10% of our consolidated revenues from any one foreign country. Additionally, at December 31, 2021 and 2020, we did not have more than 10% of our identifiable assets in any one foreign country.
The following table shows our domestic and foreign revenues and identifiable assets for the years ended or as of December 31 (in millions):
202120202019
Revenues From Continuing Operations
Foreign
$468.5 $374.9 $331.1 
United States
788.9 834.3 871.0 
Total
$1,257.4 $1,209.2 $1,202.1 
Identifiable Assets From Continuing Operations
Foreign
$3,783.3 $3,438.6 $2,624.5 
United States
5,758.4 5,499.0 5,369.5 
Total
$9,541.7 $8,937.6 $7,994.0