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Debt Instruments (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended |
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Mar. 31, 2014
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Credit facility
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| Debt Instruments | |
| Maximum borrowings available | $ 60.0 |
| Minimum liquidity requirement | 5.0 |
| Outstanding balance of borrowings | 0 |
| Available borrowing capacity | 58.9 |
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Credit facility | LIBOR
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| Debt Instruments | |
| Variable interest rate base | LIBOR |
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Credit facility | LIBOR | Minimum
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| Debt Instruments | |
| Margin (as a percent) | 2.00% |
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Credit facility | LIBOR | Maximum
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| Debt Instruments | |
| Margin (as a percent) | 2.25% |
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Credit facility | Alternate base rate
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| Debt Instruments | |
| Variable interest rate base | alternate base rate |
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Credit facility | Alternate base rate | Minimum
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| Debt Instruments | |
| Margin (as a percent) | 1.00% |
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Credit facility | Alternate base rate | Maximum
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| Debt Instruments | |
| Margin (as a percent) | 1.25% |
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Letters of credit
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| Debt Instruments | |
| Maximum borrowings available | 15.0 |
| Outstanding amount | $ 1.1 |
| X | ||||||||||
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- Definition
Represents the minimum amount of liquidity required to be maintained under the credit facility financial covenant. No definition available.
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| X | ||||||||||
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- Definition
Percentage points added to the reference rate to compute the variable rate on the debt instrument. No definition available.
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| X | ||||||||||
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- Definition
The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. No definition available.
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| X | ||||||||||
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- Definition
The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. No definition available.
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- Definition
Amount borrowed under the credit facility as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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