Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2018

Accounting Policies [Abstract]

Cash Flow, Supplemental Disclosures [Text Block]

The following tables reconcile the consolidated statement of cash flows line items impacted by the adoption of this standard on January 1, 2018:

(In millions)	For the Year Ended December 31, 2017
	Adjusted			ASU 2016-18 Adjustment		Previously Reported
Decrease (increase) in restricted cash and cash equivalents	$	—		$	30.9	$	(30.9	)
Net cash used in investing activities	(871.8		)	30.9		(902.7		)
Net increase (decrease) in cash and cash equivalents and restricted cash and cash equivalents	24.5			30.9		(6.4		)
Cash and cash equivalents and restricted cash and cash equivalents, beginning of period	239.3			224.7		14.6
Cash and cash equivalents and restricted cash and cash equivalents, end of period	$	263.8		$	255.6	$	8.2

(In millions)	For the Year Ended December 31, 2016
	Adjusted			ASU 2016-18 Adjustment		Previously Reported
Decrease (increase) in restricted cash and cash equivalents	$	—		$	57.3	$	(57.3	)
Net cash used in investing activities	(878.2		)	57.3		(935.5		)
Net increase (decrease) in cash and cash equivalents and restricted cash and cash equivalents	65.6			57.3		8.3
Cash and cash equivalents and restricted cash and cash equivalents, beginning of period	173.7			167.4		6.3
Cash and cash equivalents and restricted cash and cash equivalents, end of period	$	239.3		$	224.7	$	14.6

Schedule of Cash and Cash Equivalents [Table Text Block]

The following table provides a reconciliation of cash and cash equivalents and restricted cash and cash equivalents reported in our consolidated balance sheets to the total shown in our consolidated statements of cash flows:

(In millions)	As of
	December 31, 2018		December 31, 2017		December 31, 2016
Cash and cash equivalents	$	25.7	$	8.2	$	14.6
Restricted cash and cash equivalents	303.6		255.6		224.7
Total cash and cash equivalents and restricted cash and cash equivalents	$	329.3	$	263.8	$	239.3