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Interim Financial Statements (Tables)
3 Months Ended
Mar. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Summary of carrying values and fair values of senior subordinated notes and fixed rate mortgage facilities A summary of our debt is as follows:
March 31, 2022December 31, 2021
Carrying ValueFair ValueCarrying Value Fair Value
3.50% senior subordinated notes due 2025
545.1 541.8 544.7 $560.5 
3.75% senior subordinated notes due 2029
494.5 442.9 494.3 490.7 
Mortgage facilities325.9 318.7 353.8 359.8