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Commitments and Contingencies | 3 Months Ended
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Mar. 31, 2016
Commitments and Contingencies Disclosure [Abstract] |
Commitments and Contingencies | Commitments and Contingencies Government Contracts As a government contractor, we are subject to U.S. government audits and investigations relating to our operations, including claims for fines, penalties and compensatory and treble damages, and possible suspension or debarment from doing business with the government. Based on currently available information, we believe the outcome of ongoing government disputes and investigations will not have a material impact on our financial position, results of operations or liquidity. Legal Matters One of our subsidiaries was a subcontractor to a mechanical contractor (“Mechanical Contractor”) on a construction project where an explosion occurred in 2010. An investigation of the matter could not determine who was responsible for the explosion. As a result of the explosion, lawsuits have been commenced against various parties, but, to date, no lawsuits have been commenced against our subsidiary with respect to personal injury or damage to property as a consequence of the explosion. However, the Mechanical Contractor has asserted claims, in the context of an arbitration proceeding against our subsidiary, alleging that our subsidiary is responsible for a portion of the damages for which the Mechanical Contractor may be liable as a result of: (a) personal injury suffered by individuals as a result of the explosion and (b) the Mechanical Contractor’s legal fees and associated management costs in defending against any and all such claims. In the most recent filing with the arbitrator, the Mechanical Contractor has stated claims against our subsidiary for alleged violations of the Connecticut and Massachusetts Unfair and Deceptive Trade Practices Acts in the ongoing arbitration proceeding. Further, the general contractor (as assignee of the Mechanical Contractor) on the construction project, and for whom the Mechanical Contractor worked, has alleged that our subsidiary is responsible for losses asserted by the owner of the project and/or the general contractor because of delays in completion of the project and for damages to the owner’s property. We believe, and have been advised by counsel, that we have a number of meritorious defenses to all such matters. We believe that the ultimate outcome of such matters will not have a material adverse effect on our consolidated financial position, results of operations or liquidity. Notwithstanding our assessment of the final impact of this matter, we are not able to estimate with any certainty the amount of loss, if any, which would be associated with an adverse resolution. We are involved in several other proceedings in which damages and claims have been asserted against us. Other potential claims may exist that have not yet been asserted against us. We believe that we have a number of valid defenses to such proceedings and claims and intend to vigorously defend ourselves. We do not believe that any such matters will have a material adverse effect on our financial position, results of operations or liquidity. Litigation is subject to many uncertainties and the outcome of litigation is not predictable with assurance. It is possible that some litigation matters for which reserves have not been established could be decided unfavorably to us, and that any such unfavorable decisions could have a material adverse effect on our financial position, results of operations or liquidity. Restructuring expenses Restructuring expenses, primarily relating to employee severance obligations, were $0.1 million and less than $0.1 million for the three months ended March 31, 2016 and 2015, respectively. As of March 31, 2016, the balance of these restructuring obligations yet to be paid was $0.2 million, which such amount is expected to be paid during the second quarter of 2016. No material expenses in connection with restructuring from continuing operations are expected to be incurred during the remainder of 2016. The changes in restructuring activity by reportable segments during the three months ended March 31, 2016 and 2015 were as follows (in thousands):
| United States electrical construction and facilities services segment |  | United States mechanical construction and facilities services segment |  | United States building services segment |  | Total
Balance at December 31, 2014 | $ | 255 |  |  | $ | 26 |  |  | $ | — |  |  | $ | 281 |
Charges | 2 |  |  | 6 |  |  | — |  |  | 8 |
Payments | (18 | ) |  | (32 | ) |  | — |  |  | (50 | )
Balance at March 31, 2015 | $ | 239 |  |  | $ | — |  |  | $ | — |  |  | $ | 239 |
Balance at December 31, 2015 | $ | — |  |  | $ | — |  |  | $ | 81 |  |  | $ | 81 |
Charges | — |  |  | — |  |  | 91 |  |  | 91 |
Payments | — |  |  | — |  |  | — |  |  | — |
Balance at March 31, 2016 | $ | — |  |  | $ | — |  |  | $ | 172 |  |  | $ | 172 |

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