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Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

Accounting Policies [Abstract]

Significant Estimates Used by Management in Determining Fair Values of Company's Reporting Units

The following table presents the significant estimates used by management in determining the fair values of Quanta’s reporting units at December 31, 2016, 2015 and 2014:

		2016		2015		2014
Years of cash flows before terminal value		5		5		5
Discount rates		12.5% to 14.5%		12.0% to 16.0%		12.0% to 14.0%
EBITDA multiples		5.5 to 7.0		5.0 to 6.5		5.0 to 6.0
Weighting of three approaches:
Discounted cash flows		70%		70%		70%
Market multiple		15%		15%		15%
Market capitalization		15%		15%		15%

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