Acquisitions (Tables)

12 Months Ended

Dec. 31, 2015

Business Combinations [Line Items]

Schedule of Pro Forma Information, Business Acquisitions

The unaudited supplemental pro forma financial information presented below has been prepared by adjusting the historical results of MasTec to include the historical results of the acquired businesses described above, and was then adjusted (i) to remove acquisition costs, including certain acquisition integration costs; (ii) to increase amortization expense resulting from the incremental intangible assets acquired; (iii) to increase interest expense as a result of the cash consideration paid; (iv) to remove integration-related employee redundancy costs; and (v) to reduce interest expense from debt repaid upon acquisition of the respective businesses. The unaudited supplemental pro forma financial information does not include adjustments to reflect the impact of other cost savings or synergies that may result from these acquisitions.

	For the Years Ended December 31,
Unaudited supplemental pro forma financial information (in millions):	2014		2013
Revenue	$	5,085.2	$	5,465.9
Net income from continuing operations	$	130.3	$	160.8

Results of Businesses Acquired

Revenue and net (loss) income from continuing operations resulting from the year-over-year incremental impact of acquired businesses, which are included within the Company’s consolidated results of operations for the years indicated, were as follows (in millions):

	For the Years Ended December 31,
Actual of acquirees (year-over-year impact):	2015			2014		2013
Revenue	$	301.5		$	565.4	$	406.6
Net (loss) income from continuing operations (a)	$	(13.4	)	$	0.7	$	20.0

(a) Acquiree net (loss) income from continuing operations for the years ended December 31, 2015 and 2014 includes approximately $9.3 million and $5.0 million, respectively, of pre-tax acquisition integration costs incurred in connection with the WesTower acquisition and, for the year ended December 31, 2015, includes project losses of $16.3 million associated with the Company’s proportionate interest in a non-controlled Canadian joint venture. Other acquisition-related costs, including certain acquisition integration costs totaling $11.2 million, $2.7 million and $1.9 million for the years ended December 31, 2015, 2014 and 2013, respectively, which are included within general and administrative expenses in the Company’s consolidated statements of operations, are not included in the above presented acquiree results for the respective periods. The above results also do not include interest expense associated with consideration paid for these acquisitions.

WesTower [Member]

Business Combinations [Line Items]

Schedule of Consideration Paid and Net Assets Acquired, Business Acquisitions

The following table summarizes the estimated fair values, as adjusted, of consideration paid and identifiable assets acquired and liabilities assumed for WesTower as of the date of acquisition (in millions):

Acquisition consideration:	October 1, 2014
Cash	$	198.0
Identifiable assets acquired and liabilities assumed:
Accounts receivable	$	179.8
Other current assets, including $18.0 million of cash acquired	66.6
Property, equipment and other long-term assets	9.3
Finite-lived intangible assets	42.6
Billings in excess of costs and earnings	(33.3		)
Other current liabilities, including current portion of capital lease obligations	(87.7		)
Long-term liabilities, including capital lease obligations	(26.4		)
Total identifiable net assets	$	150.9
Goodwill	$	47.1
Total net assets acquired, including goodwill	$	198.0

Schedule of Finite-Lived Intangible Assets Acquired, Business Acquisitions

The fair values and weighted average useful lives of WesTower’s acquired finite-lived intangible assets were assigned as follows:

	Fair Value (in millions)		Weighted Average Useful Life (in years)
Finite-lived intangible assets:
Backlog	$	4.7	5
Trade name	1.1		4
Non-compete agreements	0.3		4
Customer relationships	36.5		18
Total acquired finite-lived intangible assets	$	42.6	16

Pacer [Member]

Business Combinations [Line Items]

Schedule of Consideration Paid and Net Assets Acquired, Business Acquisitions

The following table summarizes the estimated fair values, as adjusted, of consideration paid and identifiable assets acquired and liabilities assumed for Pacer as of the date of acquisition (in millions). Net of cash acquired, substantially all of the current assets acquired consist of accounts receivable.

Acquisition consideration:	June 1, 2014
Cash	$	126.5
Fair value of contingent consideration (earn-out liability)	24.3
Total consideration transferred	$	150.8
Identifiable assets acquired and liabilities assumed:
Current assets, including $3.4 million of cash acquired	$	114.0
Property and equipment	81.2
Pre-qualifications	38.7
Finite-lived intangible assets	19.4
Current liabilities, including current portion of capital lease obligations and long-term debt	(71.8		)
Net equity method investment obligations	(31.0		)
Long-term debt, including capital lease obligations	(69.6		)
Deferred income taxes	(30.5		)
Total identifiable net assets	$	50.4
Goodwill	$	100.4
Total net assets acquired, including goodwill	$	150.8

Schedule of Finite-Lived Intangible Assets Acquired, Business Acquisitions

The fair values and weighted average useful lives of Pacer’s acquired finite-lived intangible assets, as adjusted, were assigned as follows:

	Fair Value (in millions)		Weighted Average Useful Life (in years)
Finite-lived intangible assets:
Backlog	$	6.1	3
Non-compete agreements	2.3		9
Customer relationships	11.0		8
Total acquired finite-lived intangible assets	$	19.4	6