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Debt Credit Facility Interest Rates (Details) | 3 Months Ended
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Mar. 31, 2013
Unused Letters of Credit |
Line of Credit Facility [Line Items] |
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum | 2.00%
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum | 3.00%
Unused Revolver |
Line of Credit Facility [Line Items] |
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum | 0.375%
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum | 0.50%
Minimum |
Line of Credit Facility [Line Items] |
Debt Instrument Interest Rate in Addition to Base Rate Borrowings | 1.00%
Debt Instrument Interest Rate in Addition to Libor | 2.00%
Maximum |
Line of Credit Facility [Line Items] |
Debt Instrument Interest Rate in Addition to Base Rate Borrowings | 2.00%
Debt Instrument Interest Rate in Addition to Libor | 3.00%

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- Definition Debt instrument interest rate in addition to base rate borrowings. + References No definition available. + Details
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- Definition Debt instrument interest rate in addition to LIBOR. + References No definition available. + Details
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- Definition When presenting a range of interest rates, the highest stated (contractual) rate for funds borrowed under the debt agreement as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition When presenting a range of interest rates, the lowest stated (contractual) rate for funds borrowed under the debt agreement as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Details
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