3. Fair Value Financial Instruments (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Capital Lease Obligations	$ 12.5	[1]	$ 12.6
Carrying (Reported) Amount, Fair Value Disclosure [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Other Investments	80.2		77.5
Total long-term debt, excluding capital leases and current maturities	423.3		423.2
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Other Investments	390.6		382.9
Total long-term debt, excluding capital leases and current maturities	$ 450.1		$ 433.0

[1] (a) The carrying amount of our capital leases at June 30, 2014 and December 31, 2013 was approximately $12.5 million and $12.6 million respectively. We believe these amounts approximate fair value due to the market rates inherent in the leases.