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9. Financing Actvities (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Financing Actvities Details
7.15% surplus notes	$ 126.1	$ 174.2
7.45% senior unsecured bonds	252.7	252.7
Total indebtedness	$ 378.8	$ 426.9

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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