Debt (Tables)

12 Months Ended

Dec. 31, 2024

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	2024		2023
Senior credit facility:	November 1, 2026
Revolving loans		$	43.1	$	773.0
Term loan		332.5		341.3
4.500% Senior Notes	August 15, 2028	600.0		600.0
5.900% Senior Notes	June 15, 2029	550.0		—
6.625% Senior Notes	August 15, 2029	71.6		284.2
Five-Year Term Loan Facility	October 7, 2027	285.0		300.0
Three-Year Term Loan Facility	October 7, 2025	—		400.0
Finance lease and other obligations		356.5		380.3
Total debt obligations		$	2,238.7	$	3,078.8
Less unamortized deferred financing costs		(14.6)		(13.5)
Total debt, net of deferred financing costs		$	2,224.1	$	3,065.3
Current portion of long-term debt		186.1		177.2
Long-term debt		$	2,038.0	$	2,888.1

Schedule of Contractual Maturities of Debt and Finance Lease Obligations

Contractual maturities of MasTec’s debt, which includes finance lease obligations, as of December 31, 2024 were as follows (in millions):

2025	$	186.7
2026	487.3
2027	301.7
2028	631.3
2029	630.1
Thereafter	1.6
Total	$	2,238.7