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Commitments and Contingencies (Details 2) (USD $) In Millions, unless otherwise specified | 6 Months Ended | 15 Months Ended | 30 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2014 case | Mar. 31, 2014 case | Jun. 30, 2014 | Dec. 31, 2013
Business acquisition, contingent consideration |  |  |  |
Accrued liability for the outcomes of non-income based tax audits | $ 7.3 |  | $ 7.3 | $ 16.1
Litigation and Claims |  |  |  |
Number of heavy equipment statutes cases tried and completed in Texas state district court |  | 3 |  |
Number of other state district court cases in which the entity filed motions for summary judgment | 2 |  |  |
Ad valorem tax benefit | 5.5 |  | 20.3 |
Ad valorem tax benefit agreed to by a number of appraisal review boards and county appraisal districts | 5.3 |  | 5.3 |
Ad valorem tax benefit in litigation | 15.0 |  | 15.0 |
Maximum |  |  |  |
Business acquisition, contingent consideration |  |  |  |
Contingent payments | $ 46 |  | $ 46 |

X
- Definition The amount of ad valorem tax expense (benefit) included as a component of cost of goods sold (excluding depreciation and amortization). + References No definition available. + Details
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- Definition The amount of ad valorem tax expense (benefit) agreed to by one or more appraisal review boards and/or county appraisal districts. + References No definition available. + Details
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- Definition Represents the number of heavy equipment statutes cases tried and completed to which the entity is a party. + References No definition available. + Details
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- Definition Amount of loss contingency liability. + References Reference 1: 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 + Details
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