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Commitments and Contingent Liabilities (Tables)

6 Months Ended

Jun. 30, 2013

Commitments and Contingencies Disclosure [Abstract]

Credit Facilities

The following table provides additional information on the Company’s credit facilities as of June 30, 2013 and December 31, 2012 (dollars in millions):

						Amount Utilized(1)
Facility Capacity				Maturity Date		June 30, 2013				December 31, 2012				Basis of Fees
$	850.0			December 2015		$	94.2			$	402.9			Senior unsecured long-term debt rating
$	200.0			September 2019		200.0				200.0				Fixed
$	120.0			May 2016		80.0				100.0				Fixed
$	270.0			November 2017		270.0				—				Fixed
$	100.0			June 2017		90.3				—				Fixed

(1) Represents issued but undrawn letters of credit. There was no cash borrowed for the periods presented.

Commitment Obligations

The following table presents information about these commitments (dollars in millions):

Commitment Period		Maximum Potential Obligation
2033		$	350.0
2035		560.0

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Tabular disclosure of each guarantee obligation, or each group of similar guarantee obligations, including (a) the nature of the guarantee, including its term, how it arose, and the events or circumstances that would require the guarantor to perform under the guarantee; (b) the maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee; (c) the current carrying amount of the liability, if any, for the guarantor's obligations under the guarantee; and (d) the nature of any recourse provisions under the guarantee, and any assets held either as collateral or by third parties, and any relevant related party disclosure. Excludes disclosures about product warranties.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248



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-Name Accounting Standards Codification

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-Paragraph 6

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Tabular disclosure of short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(e),(f))

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-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph f

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