CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
REVENUE	$ 1,125,275	$ 1,120,085	$ 2,083,762	$ 2,148,241
COST OF OPERATIONS	(1,024,332)	(1,001,445)	(1,894,349)	(1,962,533)
GROSS PROFIT	100,943	118,640	189,413	185,708
General and administrative expenses	(62,797)	(63,825)	(128,354)	(131,818)
Goodwill impairment	(379,863)	0	(379,863)	0
INCOME (LOSS) FROM CONSTRUCTION OPERATIONS	(341,717)	54,815	(318,804)	53,890
Other income, net	900	1,050	1,322	1,830
Interest expense	(17,522)	(15,998)	(33,947)	(31,063)
INCOME (LOSS) BEFORE INCOME TAXES	(358,339)	39,867	(351,429)	24,657
Income tax benefit (expense)	42,900	(11,971)	40,712	(7,703)
NET INCOME (LOSS)	(315,439)	27,896	(310,717)	16,954
LESS: NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	5,091	3,013	10,169	4,195
NET INCOME (LOSS) ATTRIBUTABLE TO TUTOR PERINI CORPORATION	$ (320,530)	$ 24,883	$ (320,886)	$ 12,759
BASIC EARNINGS (LOSS) PER COMMON SHARE	$ (6.38)	$ 0.50	$ (6.40)	$ 0.26
DILUTED EARNGINS (LOSS) PER COMMON SHARE	$ (6.38)	$ 0.49	$ (6.40)	$ 0.25
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING:
BASIC (in shares)	50,224	49,946	50,161	49,880
DILUTED (in shares)	50,224	50,440	50,161	50,127