Debt (Tables)

12 Months Ended

Dec. 31, 2017

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	2017			2016
Senior secured credit facility:	February 22, 2022
Revolving loans		$	377.7		$	279.9
Term loan		396.9			237.5
4.875% Senior Notes	March 15, 2023	400.0			400.0
Capital lease obligations, weighted average interest rate of 3.5%	In installments through September 1, 2022	181.2			98.6
Other debt obligations	Varies	25.8			19.8
Total long-term debt obligations		$	1,381.6		$	1,035.8
Less unamortized deferred financing costs		(13.0		)	(9.8		)
Total debt, net of deferred financing costs		$	1,368.6		$	1,026.0
Current portion of long-term debt		87.9			64.6
Long-term debt		$	1,280.7		$	961.4

Schedule of Contractual Maturities of Debt and Capital Lease Obligations

Contractual maturities of MasTec’s debt and capital lease obligations as of December 31, 2017 were as follows (in millions):

2018	$	88.3
2019	65.5
2020	57.0
2021	46.4
2022	724.4
Thereafter	400.0
Total	$	1,381.6