Related Party (Cost Allocation Agreements with Affiliates) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Related Party Transactions [Abstract]
Allocated Lease Expense	$ 0.5	$ 0.8
Allocated Sub-Lease Rental Income	(0.3)	(0.6)
Commissions and Fees Paid to PAD	$ 45	$ 42