13. Fair Value of Financial Instruments (Details Narrative) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Debt securities fair value	$ 144.3	$ 117.9
Deferred compensation liabilities	22.8	22.1
Level 2 [Member]
Available-for-sale debt securities	$ 33.9	$ 62.0

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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