Investments in and Advances to Nonconsolidated Affiliates -Table 1 (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Equity method investments:
Capital contributions	$ 2.9	$ 2.8
Cumulative share of income	104.8	93.8
Cumulative share of distributions	(88.8)	(77.4)
Equity Method Investments	18.9	19.2
Cost method investments:
Capital contributions, net of distributions and impairments	1.4	1.6
Total Investments in and advances to nonconsolidated affiliates	$ 20.3	$ 20.8