New Accounting Pronouncements (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
Jun. 30, 2015	Dec. 31, 2014
Accounting Changes and Error Corrections [Abstract]
Debt issuance cost	$ (18.1)	$ (20.0)

Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees).

No definition available.