Debt (Tables)

12 Months Ended

Dec. 31, 2014

Debt Disclosure [Abstract]

Schedule of Carrying Values of Debt

The following table provides details of the carrying values of debt as of the dates indicated (in millions):

		December 31,
Description	Maturity Date	2014			2013
Senior secured credit facility:
Revolving loans	October 29, 2018	$	282.7		$	53.0
Term loan	November 21, 2019	250.0			—
4.875% senior notes	March 15, 2023	400.0			400.0
2011 4.0% senior convertible notes	June 15, 2014	—			103.8
2011 4.25% senior convertible notes	December 15, 2014	—			94.5
2009 4.0% senior convertible notes	June 15, 2014	—			9.6
2009 4.25% senior convertible notes	December 15, 2014	—			3.0
Other credit facilities	Varies	1.2			—
Capital lease obligations, weighted average interest rate of 2.8%	In installments through June 13, 2021	176.5			126.0
Notes payable, equipment, weighted average interest rate of 2.8%	In installments through May 1, 2018	24.4			26.9
Total debt		$	1,134.8		$	816.8
Less current maturities		(73.6		)	(51.4		)
Long-term debt		$	1,061.2		$	765.4

Schedule of Contractual Maturities of Debt and Capital Lease Obligations

Contractual maturities of MasTec’s debt and capital lease obligations as of December 31, 2014 were as follows (in millions):

2015	$	73.6
2016	71.1
2017	53.1
2018	318.5
2019	218.0
Thereafter	400.5
Total	$	1,134.8

Schedule of Interest Expense, Net

The following table provides details of interest expense, net, for the periods indicated (in millions):

	For the Years Ended December 31,
	2014			2013			2012
Interest expense:
Contractual and other interest expense	$	43.5		$	37.6		$	29.2
Accretion of senior convertible note discount	4.0			5.2			4.9
Amortization of deferred financing costs	3.4			4.0			3.7
Total interest expense	$	50.9		$	46.8		$	37.8
Interest income	(0.1		)	(0.4		)	(0.4		)
Interest expense, net	$	50.8		$	46.4		$	37.4