Commitments and Contingencies - Operating Leases (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended	11 Months Ended	12 Months Ended
	Jan. 23, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Commitments and Contingencies Disclosure [Abstract]
2014		$ 4.4
2015		1.8
2016		0.7
2017		0
2018		0
Thereafter		1.0
Total		7.9
Operating lease expense	$ 0.2	$ 6.5	$ 5.9	$ 5.7