FINANCING: (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Aggregate maturities of the outstanding borrowings
2013	$ 10.0
2015	200.0
Thereafter	4,051.2
Total	4,261.2
Debt discount	47.3
Amounts held in escrow accounts	5.1	5.2
Balance of capitalized debt issuance costs	25.9	18.8
Amortization charged to interest expense	$ 1.3	$ 0.5	$ 0.4

The component of interest expense comprised of the periodic charge against earnings over the life of the financing arrangement to which such costs relate. Alternate captions include Noncash Interest Expense.

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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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