Shareholders' Equity Narrative (Details) - At The Market Equity Program $ in Millions	Jun. 30, 2020 USD ($)
Class of Stock [Line Items]
Aggregate offering price of common share	$ 400.0
Remaining capacity to issue	$ 128.3

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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