Reorganization Items, Net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Payments for Reorganization Items, Net	$ 31.4
Reorganization Items, net	(41.4)	$ 0.0
Loss on termination of derivative contracts [Member]
Reorganization Items, net	0.0
Professional fee [Member]
Reorganization Items, net	(42.5)
accounts payable settlement (gains) losses [Member]
Reorganization Items, net	(0.7)
Interest Income [Member]
Reorganization Items, net	0.4
Other reorganization items [Member]
Reorganization Items, net	$ 0.0