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Contingencies (Details)
$ in Millions, $ in Millions
1 Months Ended 6 Months Ended 12 Months Ended 13 Months Ended
Dec. 31, 2021
USD ($)
Dec. 31, 2021
CAD ($)
Dec. 31, 2020
USD ($)
Jun. 30, 2023
USD ($)
Jun. 30, 2023
CAD ($)
Jun. 30, 2022
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2022
CAD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2019
CAD ($)
Jun. 30, 2023
CAD ($)
Dec. 31, 2021
CAD ($)
Dec. 31, 2020
CAD ($)
Dec. 31, 2019
CAD ($)
Contingencies                            
Income taxes paid       $ 50.9   $ 59.3                
Canada Revenue Agency Reassessment Action | Reassessment for the 2014 and 2015 taxation years | Barbados                            
Contingencies                            
Provincial income taxes assessed       $ 5.1 $ 6.7                  
Percentage of security deposit for notice of objection against reassessment     50.00% 50.00%             50.00%   50.00%  
Canada Revenue Agency Reassessment Action | Tax Year 2013 Through 2015 | Mexico                            
Contingencies                            
Provincial income taxes assessed                 $ 19.2 $ 25.3        
Tax rate (as a percent)     50.00%                      
Percentage of security deposit for notice of objection against reassessment                 50.00%         50.00%
Canada Revenue Agency Reassessment Action | Tax Year 2016 Through 2017 | Mexico                            
Contingencies                            
Provincial income taxes assessed $ 3.5 $ 4.6                        
Percentage of security deposit for notice of objection against reassessment 50.00%                     50.00%    
Canada Revenue Agency Reassessment Action | Tax Year 2016 Through 2017 | Barbados                            
Contingencies                            
Provincial income taxes assessed       $ 30.1 39.8                  
Percentage of security deposit for notice of objection against reassessment       50.00%             50.00%      
Canada Revenue Agency Reassessment Action | Tax Year 2013 Through 2016 | Mexico                            
Contingencies                            
Provincial income taxes assessed $ 34.1 $ 490.3   $ 22.7 29.9                  
Tax rate (as a percent) 30.00% 30.00%                        
Canada Revenue Agency Reassessment Action | Tax Year 2018 Through 2021 | Barbados                            
Contingencies                            
Provincial income taxes assessed       221.8 293.7                  
Canada Revenue Agency Reassessment Action | Tax year 2014 through 2017 | Barbados                            
Contingencies                            
Provincial income taxes assessed       35.2 $ 46.5                  
Canada Revenue Agency Transfer Pricing Contingent Penalty | Reassessment for the 2014 and 2015 taxation years | Barbados                            
Contingencies                            
Contingent liability recorded     $ 1.9 1.9             $ 2.5   $ 2.5  
Canada Revenue Agency Transfer Pricing Contingent Penalty | Reassessment for the 2013 and 2014 and 2015 taxation years | Mexico                            
Contingencies                            
Contingent liability recorded       7.8             10.3      
Canada Revenue Agency Transfer Pricing Contingent Penalty | Tax Year 2016 | Mexico                            
Contingencies                            
Contingent liability recorded       1.3             1.7      
Canada Revenue Agency Transfer Pricing Contingent Penalty | Tax Year 2013 Through 2015 | Mexico                            
Contingencies                            
Contingent liability recorded     $ 7.8                   $ 10.3  
Canada Revenue Agency Transfer Pricing Contingent Penalty | Tax Year 2016 Through 2017 | Mexico                            
Contingencies                            
Contingent liability recorded       12.9             17.0      
Canada Revenue Agency Transfer Pricing Contingent Penalty | Tax Year 2016 Through 2017 | Barbados                            
Contingencies                            
Contingent liability recorded       11.4             15.1      
Canada Revenue Agency Transfer Pricing Contingent Penalty | Tax Year 2013 Through 2016 | Barbados                            
Contingencies                            
Contingent liability recorded       11.4                    
Canada Revenue Agency Transfer Pricing Contingent Penalty | Tax Year 2018 Through 2021 | Barbados                            
Contingencies                            
Contingent liability recorded       83.7             110.9      
Canada Revenue Agency interest and other penalties | Reassessment for the 2014 and 2015 taxation years | Barbados                            
Contingencies                            
Contingent liability recorded       2.9             3.8      
Canada Revenue Agency interest and other penalties | Tax Year 2013 Through 2015 | Mexico                            
Contingencies                            
Contingent liability recorded                 $ 11.6         $ 15.3
Canada Revenue Agency interest and other penalties | Tax Year 2016 Through 2017 | Mexico                            
Contingencies                            
Contingent liability recorded $ 1.3                     $ 1.7    
Canada Revenue Agency interest and other penalties | Tax Year 2016 Through 2017 | Barbados                            
Contingencies                            
Contingent liability recorded       10.0             13.3      
Canada Revenue Agency interest and other penalties | Tax Year 2018 Through 2021 | Barbados                            
Contingencies                            
Contingent liability recorded       33.5             44.2      
Canada Revenue Agency interest and other penalties | Tax year 2014 through 2017 | Barbados                            
Contingencies                            
Contingent liability recorded       $ 12.9             $ 17.1      
Canada Revenue Agency Audit Domestic and FAPI Reassessments                            
Contingencies                            
Percentage of reassessed amounts posted as security in cash       50.00% 50.00%                  
Canada Revenue Agency Audit Domestic Reassessments                            
Contingencies                            
Amount subject to pay relating to federal and provincial income taxes             $ 15.1 $ 19.9            
Reassessed amounts posted as security in cash       $ 13.9 $ 17.7                  
Canada Revenue Agency Audit FAPI Reassessments                            
Contingencies                            
Amount subject to pay relating to federal and provincial income taxes             $ 5.8 $ 7.7