LONG-TERM DEBT (Details 2) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Schedule of all principal debt payment amounts related to bond maturities
2014	$ 100.0
2015	125.0
2016	105.0
2017	125.0
2018	5.0
Later years	2,596.9
Total	$ 3,056.9	$ 2,246.4

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date before deducting unamortized discount or premiums (if any). 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.

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