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Other Retirement Plans | 9 Months Ended
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Sep. 30, 2015
Multiemployer Plans [Abstract] |
Other Retirement Plans | Note 11 – Other Retirement Plans Multi-Employer Plans. Certain of MasTec’s subsidiaries, including certain subsidiaries in Canada, contribute amounts to multi-employer pension and other multi-employer benefit plans and trusts, which are recorded as a component of employee wages and salaries within costs of revenue, excluding depreciation and amortization. Contributions are generally based on fixed amounts per hour per employee for employees covered under these plans. Multi-employer plan contribution rates are determined annually and assessed on a “pay-as-you-go” basis based on union employee payrolls. Union payrolls cannot be determined for future periods because the number of union employees employed at any given time, and the plans in which they may participate, vary depending upon the location and number of ongoing projects at a given time and the need for union resources in connection with those projects. Total contributions to multi-employer plans, and the related number of employees covered by these plans, including with respect to the Company’s Canadian operations, for the periods indicated were as follows:
| Multi-Employer Plans
| Covered Employees |  | Contributions (in millions)
| Low |  | High |  | Pension |  | Post-Retirement Benefit |  | Total
For the Three Months Ended September 30: |  |  |  |  |  |  |  |  |
2015 | 1,689 |  |  | 2,463 |  |  | $ | 7.4 |  |  | $ | 2.2 |  |  | $ | 9.6 |
2014 | 2,029 |  |  | 2,167 |  |  | $ | 11.6 |  |  | $ | 1.1 |  |  | $ | 12.7 |
For the Nine Months Ended September 30: |  |  |  |  |  |  |  |  |
2015 | 590 |  |  | 2,463 |  |  | $ | 20.0 |  |  | $ | 6.6 |  |  | $ | 26.6 |
2014 | 1,098 |  |  | 2,167 |  |  | $ | 27.3 |  |  | $ | 2.5 |  |  | $ | 29.8 |

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