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Commitments and Contingencies - Asbestos Narrative (Details) (USD $) In Millions, unless otherwise specified |  | 273 Months Ended | 9 Months Ended
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Sep. 30, 2013 Minimum [Member] | Sep. 30, 2013 Maximum [Member] | Sep. 30, 2013 Asbestos [Member] | Sep. 30, 2013 Asbestos [Member] Pending Litigation [Member] claimants cases
Loss Contingencies [Line Items] |  |  |  |
Number of pending cases |  |  |  | 1,078
Number of pending claims |  |  |  | 7,950
Number of pending claims seeking specific amounts of damages |  |  |  | 133
Total settlement costs |  |  | $ 6.4 |
Percentage of settlement and defense costs covered by insurance |  |  | 40.00% |
Estimated Time until Primary Insurance is Exhausted | 1 year | 2 years |  |

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- Definition Loss Contingency, Number of Plantiffs Specifying Damages Sought + References No definition available. + Details
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- Details
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- Definition Number of pending claims pertaining to a loss contingency. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 + Details
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