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Commitments and Contingencies Legal Liabilities (Details) $ in Millions | 3 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2016 USD ($) homes | Jun. 30, 2016 USD ($) homes | Dec. 31, 2015 USD ($)
Other Liabilities Disclosure [Abstract] |  |  |
Product Liability Accrual, Component Amount | $ | $ 14.5 | $ 4.9 | $ 0.5
Estimated Repair Costs for Affected Homes | $ | $ 15.1 | $ 2.9 |
Number of Affected Homes | homes | 265 | 178 |
Additional Number of Affected Homes Associated with Repair Costs | homes | 199 |  |
Number of Affected Homes on which Repairs Were Resolved | homes | 112 |  |
Amount Reserved for Legal Expenses | $ | $ 0.3 |  | $ 0.6

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- Definition Recorded amount of the accrual for a material component of a product liability contingency. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.Y.Q2) -URI http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751 + Details
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