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v3.20.2

Interim Financial Statements (Tables) | 6 Months Ended
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Jun. 30, 2020
Interim Financial Statements. |
Summary of carrying values and fair values of senior subordinated notes and fixed rate mortgage facilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, 2020 | ​ | December 31, 2019 |
​ |  | Carrying Value |  | Fair Value |  | Carrying Value |  | Fair Value |
3.75% senior subordinated notes due 2020 | ​ | $ | 299.9 | ​ | $ | 299.8 | ​ | $ | 299.2 | ​ | $ | 302.6 | ​
5.75% senior subordinated notes due 2022 | ​ | ​ | 548.1 | ​ | ​ | 549.2 | ​ | ​ | 547.6 | ​ | ​ | 556.7 | ​
5.375% senior subordinated notes due 2024 | ​ | ​ | 298.3 | ​ | ​ | 299.8 | ​ | ​ | 298.0 | ​ | ​ | 306.7 | ​
5.50% senior subordinated notes due 2026 | ​ | ​ | 496.1 | ​ | ​ | 496.3 | ​ | ​ | 495.7 | ​ | ​ | 521.7 | ​
Mortgage facilities | ​ |  | 417.0 | ​ |  | 438.9 | ​ |  | 423.2 | ​ |  | 430.9 | ​

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