- Definition

The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a 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. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References+ Details

Debt (Narrative) (Details) (USD $)	9 Months Ended
Debt (Narrative) (Details) (USD $)	Sep. 30, 2013	May 08, 2013	Dec. 31, 2012
Line of Credit Facility [Line Items]
Borrowing capacity	$ 450,000,000	$ 300,000,000
Credit Facility maturity date	May 08, 2018
Outstanding Credit Facility balance	397,200,000		212,000,000
Reduction of Credit Facility Availability	1,000,000
Credit Facility borrowings hedged	$ 80,000,000
Consolidated leverage ratio under credit facility, maximum	3
Maximum [Member]
Line of Credit Facility [Line Items]
Commitment fees	0.30%
Minimum [Member]
Line of Credit Facility [Line Items]
Commitment fees	0.15%
Minimum Credit Spread On LIBOR Or CDOR Borrowings [Member] \| Minimum [Member]
Line of Credit Facility [Line Items]
Credit spread during period	0.875%
Maximum Credit Spread On LIBOR Or CDOR Borrowings [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Credit spread during period	1.25%
Maximum Credit Spread On Prime Rate Borrowings [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Credit spread during period	0.25%