Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Gain (loss) on property dispositions in discontinued operations	$ 37.2	$ 94.9	$ 87.4	$ 184.7
Liberty Property Limited Partnership
Gain (loss) on property dispositions in discontinued operations	$ 37.2	$ 94.9	$ 87.4	$ 184.7

Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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