Investments in Joint Ventures (Tables)

3 Months Ended

Mar. 31, 2017

Equity Method Investments and Joint Ventures [Abstract]

Schedule of Results of Operations of the Joint Ventures

A condensed summary of the results of operations of the joint ventures are shown below (in millions, unaudited):

	For the Three Months Ended March 31,
	2017		2016
Operating Revenue and Expenses
Revenues	$	211.9	$	155.1
Expenses	103.9		83.5
Excess of revenues over expenses	$	108.0	$	71.6