Earnings Per Common Share (EPS) (Tables)

3 Months Ended

Mar. 31, 2018

Earnings Per Common Share (EPS) [Abstract]

Calculations of the Basic and Diluted EPS

	Three Months Ended March 31,
(in thousands, except per common share data)	2018		2017
Net income (loss) attributable to Tutor Perini Corporation	$	(12,124)	$	13,764
Weighted-average common shares outstanding, basic		49,814		49,282
Effect of dilutive restricted stock units and stock options		—		1,666
Weighted-average common shares outstanding, diluted		49,814		50,948
Net income (loss) attributable to Tutor Perini Corporation per common share:
Basic	$	(0.24)	$	0.28
Diluted	$	(0.24)	$	0.27
Anti-dilutive securities not included above		4,507		930