Statement of Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Interest paid
Interest Paid	$ 11.2	$ 42.8
Reorganization items paid
Cash paid for reorganization items	21.7
Noncash investing and financing
Accrued and payable capital expenditures	$ 4.4	$ 76.4