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Income Taxes (Tables)
 9 Months Ended
Sep. 30, 2021
Income Tax Disclosure [Abstract]  
Summary of Tax Years that Remain Subject to Examination by Major Jurisdiction
The following table summarizes, by major jurisdiction, tax years that remain subject to examination:
 Open Tax Years
Jurisdiction
Examinations not
yet initiated
 
Examinations in
progress
    
United States   
Federal2014 - 2015;
2017 - 2020		N/A
State2016 - 20202015 - 2018
Canada(1)
2013 - 2018; 20202019
Germany(1)
20202016 - 2019
France2018 - 2020N/A
United Kingdom2019 - 2020N/A
Philippines2019 - 20202018
(1)includes provincial or similar local jurisdictions, as applicable
Summary of Information Included in Continuing Operations Related to Interest on Uncertain Tax Positions The following table summarizes information included in continuing operations related to interest on uncertain tax positions:
 
Nine months ended
September 30
In millions20212020
Interest expense $0.4 $0.2 
 September 30
2021		December 31
2020
Accrued interest payable$2.2 $1.8