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v2.4.0.6

Subsequent Event (Details) (USD $) In Millions, unless otherwise specified | 1 Months Ended |
--- | --- | ---
Jan. 31, 2013 | Jan. 15, 2013
Subsequent Event |  |
Electronotes interest rate | 5.00% |
Percent of par value |  | 100.00%
Debt redemption amount | $ 17 |

X
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Balance Type: | na
Period Type: | instant

X
- Definition The average effective interest rate during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: 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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Period Type: | duration

X
- Definition Gross amount of debt extinguished. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Details
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