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Earnings Per Share (“EPS”) - Schedule of Reconciliation of Income from Continuing Operations and Computation of Earnings per Share (Details) - USD ($) shares in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Earnings Per Share [Abstract] |  |  |
Income (loss) from continuing operations | $ 6.0 | $ (36.9) | $ (69.2)
Exclude: (Income) loss attributable to noncontrolling interest | 0.4 | 2.0 | (2.2)
Income (loss) from continuing operations attributable to A&B shareholders | 6.4 | (34.9) | (71.4)
Exclude: (Increase) decrease in carrying value of redeemable non-controlling interest | 0.0 | 0.0 | 0.0
Income (loss) from continuing operations available to A&B shareholders | 6.4 | (34.9) | (71.4)
Distributions and allocations to participating securities | (0.1) | (0.2) | 0.0
Income (loss) from continuing operations available to A&B common shareholders | 6.3 | (35.1) | (71.4)
Income (loss) from discontinued operations available to A&B common shareholders | (0.8) | (1.5) | (0.6)
Net income (loss) available to A&B common shareholders | $ 5.5 | $ (36.6) | $ (72.0)
Effect of dilutive securities: |  |  |
Denominator for basic EPS – weighted-average shares outstanding (in shares) | 72.3 | 72.2 | 70.6
Non-participating stock options and restricted stock unit awards (in shares) | 0.1 | 0.0 | 0.0
Special Distribution (in shares) | 0.0 | 0.0 | 0.0
Denominator for diluted EPS – weighted average shares outstanding (in shares) | 72.4 | 72.2 | 70.6

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