CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
REVENUE	$ 1,189,345	$ 1,123,137	$ 3,273,107	$ 3,271,378
COST OF OPERATIONS	(1,074,282)	(1,012,013)	(2,968,631)	(2,974,546)
GROSS PROFIT	115,063	111,124	304,476	296,832
General and administrative expenses	(67,120)	(63,818)	(195,474)	(195,636)
Goodwill impairment	0	0	(379,863)	0
INCOME (LOSS) FROM CONSTRUCTION OPERATIONS	47,943	47,306	(270,861)	101,196
Other income, net	1,674	1,909	2,996	3,739
Interest expense	(17,305)	(16,411)	(51,252)	(47,474)
INCOME (LOSS) BEFORE INCOME TAXES	32,312	32,804	(319,117)	57,461
Income tax (expense) benefit	(5,591)	(7,368)	35,121	(15,071)
NET INCOME (LOSS)	26,721	25,436	(283,996)	42,390
LESS: NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	7,408	4,164	17,577	8,359
NET INCOME (LOSS) ATTRIBUTABLE TO TUTOR PERINI CORPORATION	$ 19,313	$ 21,272	$ (301,573)	$ 34,031
BASIC EARNINGS (LOSS) PER COMMON SHARE	$ 0.38	$ 0.43	$ (6.01)	$ 0.68
DILUTED EARNINGS (LOSS) PER COMMON SHARE	$ 0.38	$ 0.42	$ (6.01)	$ 0.68
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING:
BASIC (in shares)	50,279	50,018	50,201	49,927
DILUTED (in shares)	50,582	50,375	50,201	50,210