Nature of Business and Financial Statement Presentation (Tables)

3 Months Ended

Mar. 31, 2020

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Non-cash Investing and Financing Activities

Non-cash investing and financing activities are summarized as follows (in millions):

	Three Months
	Ended March 31,
	2020		2019
Dividends declared, but not paid	$	44.0	$	44.6
Accounts payable related to construction in progress		7.7		8.8
Assumption of buildings due to ground lease terminations		3.0		—