Senior Long-Term Debt And Other Debt (Details) (USD $) In Millions, unless otherwise specified | 0 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 23, 2011 | Sep. 30, 2011 | Sep. 30, 2011
Unsecured Senior Notes [Member] | Jun. 01, 2011
Unsecured Senior Notes [Member] | |
| Senior Long Term Debt And Other Debt [Line Items] | ||||
| Unsecured senior notes | $ 250 | |||
| Unsecured notes interest rate percentage | 5.35% | |||
| Unsecured senior notes, due date | Jun. 01, 2021 | |||
| Net proceeds to the company | 247.9 | |||
| Debt Instrument, issuance date | June 1, 2011 | |||
| Revolving credit facility initiation date | September 23, 2011 | |||
| Number of interest rate options | 2 | |||
| Line of credit facility, borrowing capacity | 150 | |||
| Previous line of credit facility, borrowing capacity | 270 | |||
| Line of credit facility, increased borrowing capacity | 300 | |||
| Commitment fee on the unused portion of the facility | 0.25% | |||
| Line of credit facility, borrowings outstanding | $ 0 | |||
| Revolving credit facility expiration date | September 2015 | |||
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- Definition The Company may increase the maximum borrowing capacity under the credit facility to $300 million, subject to certain terms and conditions.
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- Definition Number of interest rate options
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- Definition Maximum borrowing capacity under the previous credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.
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- Definition Senior Long-term debt and other debt line items.
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- Definition Interest rate stated in the contractual debt agreement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Date when the debt instrument was issued, which may be presented in a variety of ways (year, month and year, day, month and year, quarter, etc.). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Date when the debt instrument is scheduled to be fully repaid, which may be presented in a variety of ways (year, month and year, day, month and year, quarter, etc.). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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- Definition Reflects when the credit facility terminates, which may be presented in a variety of ways (year, month and year, day, month and year, quarter). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Reflects when the credit facility first became available, which may be presented in a variety of ways (year, month and year, day, month and year, quarter). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.
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- Definition The cash inflow from the issuance of long-term debt that is not secured by collateral. Excludes proceeds from tax exempt unsecured debt. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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