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Debt (Details 2) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012
Aggregate scheduled maturities of notes payable, excluding capital lease obligations
2013	$ 14.8
2014	25.0
2015	215.0
Total debt	$ 254.8

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date. May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any.

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