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Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2012 | Sep. 30, 2014 defendant | Dec. 31, 2013 | Dec. 31, 2012
Commitments and Contingencies Disclosure [Line Items] |  |  |  |
Number of pending claims (legal matter) |  | 422 | 362 |
Estimated total cleanup costs, accrual |  | $ 0.4 |  |
Description of named defendants |  | Cases involving us typically name 50-300 defendants |  |
Number of claims dismissed |  | 80 | 115 |
Number of claims settled (claim) |  | 6 | 23 |
Claims settlements amount (claim) |  | 1.5 | 4.8 |
Cost sharing agreement, expiration date |  | Jan. 25, 2015 |  |
Asbestos-related liabilities, estimated liability |  |  | 59.7 |
Asbestos-related liabilities, estimated insurance recovery |  |  | 57.1 |
Minimum [Member] |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |
Number of defendants (defendant) |  | 1 |  |
Asbestos forecast claim period (years) | 5 years |  |  |
Maximum [Member] |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |
Number of defendants (defendant) |  | 833 |  |
Asbestos forecast claim period (years) | 10 years | 10 years | 10 years | 10 years
Terminated Relationship [Member] |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |
Increase (decrease) in accrual |  | 0.5 |  |
Superfund Sites Proceedings [Member] |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |
Number of pending claims (legal matter) |  | 1 |  |
Estimated total cleanup costs, cost sharing percentage (percent) |  | 2.00% |  |
Loss contingency, minimum possible loss |  | 18.8 |  |
Loss contingency, maximum possible loss |  | 29.6 |  |
PCB Contamination Proceedings [Member] |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |
Accrual for environmental loss contingencies |  | 0.7 | 1.0 |
PCB contamination of the building, liability recording during the period |  | 0.2 |  |
Remediation and monitoring costs incurred since inception related to the PCB soil and building contamination |  | 2.3 |  |
Connecticut Voluntary Corrective Action Program [Member] |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |
PCB contamination of the building, liability recording during the period |  | $ 0.2 |  |
Typical Case Involving Company [Member] | Minimum [Member] |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |
Number of defendants (defendant) |  | 50 |  |
Typical Case Involving Company [Member] | Maximum [Member] |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |
Number of defendants (defendant) |  | 300 |  |

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- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346 + Details
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