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Organization and Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2021
Accounting Policies [Abstract]  
Summary of carrying values and fair values of senior subordinated notes and fixed rate mortgage facilities A summary of our fixed rate debt is as follows:
December 31, 2021December 31, 2020
Carrying ValueFair ValueCarrying ValueFair Value
3.50% senior subordinated notes due 2025
$544.7 $560.5 $543.2 $554.6 
3.75% senior subordinated notes due 2029
494.3 490.7 — — 
Mortgage facilities353.8 359.8 458.1 474.7 
Reconciliation of number of shares used in calculation of basic and diluted earning per share
A reconciliation of the number of shares used in the calculation of basic and diluted earnings per share for the years ended December 31, 2021, 2020, and 2019 follows:
Year Ended December 31,
202120202019
Weighted average number of common shares outstanding79,746,106 80,594,856 82,495,045 
Effect of non-participatory equity compensation— — — 
Weighted average number of common shares outstanding, including effect of dilutive securities79,746,106 80,594,856 82,495,045