Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended
	Jan. 31, 2015	Apr. 30, 2014	Jun. 30, 2014
Contractual Commitment [Abstract]
Legal Settlement Amount paid in April 2014		$ 4
Legal Settlement Amount due January 2015	5.5
Minimum remaining contractual cash obligations			38.3
Total minimum payments required under outsourcing agreement over remaining term			135.4
Estimate of remaining payments pursuant to outsourcing agreement			$ 280.6