Other Comprehensive Income (Loss) (Tables)

9 Months Ended

Sep. 30, 2019

Other Comprehensive Income (Loss) [Abstract]

Schedule of Tax Effects of the Components of Other Comprehensive Income (Loss)

The tax effects of the components of other comprehensive income (loss) for the three and nine months ended September 30, 2019 and 2018 were as follows:

	Three Months Ended						Three Months Ended
	September 30, 2019						September 30, 2018
(in thousands)	Before-Tax Amount		Tax (Expense) Benefit		Net-of-Tax Amount		Before-Tax Amount		Tax (Expense) Benefit		Net-of-Tax Amount
Other comprehensive income (loss):
Defined benefit pension plan adjustments	$	464	$	(133)	$	331	$	513	$	(148)	$	365
Foreign currency translation adjustments		(590)		140		(450)		519		(143)		376
Unrealized gain (loss) in fair value of investments		328		(72)		256		(173)		44		(129)
Total other comprehensive income (loss)		202		(65)		137		859		(247)		612
Less: Other comprehensive income attributable to noncontrolling interests(a)		(99)		—		(99)		—		—		—
Total other comprehensive income (loss) attributable to Tutor Perini Corporation	$	301	$	(65)	$	236	$	859	$	(247)	$	612

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(a)The only component of other comprehensive income attributable to noncontrolling interests is foreign currency translation.

	Nine Months Ended						Nine Months Ended
	September 30, 2019						September 30, 2018
(in thousands)	Before-Tax Amount		Tax (Expense) Benefit		Net-of-Tax Amount		Before-Tax Amount		Tax (Expense) Benefit		Net-of-Tax Amount
Other comprehensive income (loss):
Defined benefit pension plan adjustments	$	1,390	$	(398)	$	992	$	1,539	$	(439)	$	1,100
Foreign currency translation adjustment		961		(253)		708		(2,034)		602		(1,432)
Unrealized gain (loss) in fair value of investments		2,053		(438)		1,615		(1,468)		325		(1,143)
Total other comprehensive income (loss)		4,404		(1,089)		3,315		(1,963)		488		(1,475)
Less: Other comprehensive income (loss) attributable to noncontrolling interests(a)		160		—		160		—		—		—
Total other comprehensive income (loss) attributable to Tutor Perini Corporation	$	4,244	$	(1,089)	$	3,155	$	(1,963)	$	488	$	(1,475)

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(a)The only component of other comprehensive income attributable to noncontrolling interests is foreign currency translation.

Schedule of Changes in AOCI Balances by Component (After-Tax)

	Three Months Ended September 30, 2019
	Defined				Unrealized		Accumulated
	Benefit		Foreign		Gain in		Other
	Pension		Currency		Fair Value of		Comprehensive
(in thousands)	Plan		Translation		Investments, Net		Income (Loss)
Attributable to Tutor Perini Corporation:
Balance as of June 30, 2019	$	(38,009)	$	(5,416)	$	895	$	(42,530)
Other comprehensive income (loss) before reclassifications		—		(351)		254		(97)
Amounts reclassified from AOCI		331		—		2		333
Total other comprehensive income		331		(351)		256		236
Balance as of September 30, 2019	$	(37,678)	$	(5,767)	$	1,151	$	(42,294)

	Nine Months Ended September 30, 2019
	Defined				Unrealized		Accumulated
	Benefit		Foreign		Gain (Loss) in		Other
	Pension		Currency		Fair Value of		Comprehensive
(in thousands)	Plan		Translation		Investments, Net		Income (Loss)
Attributable to Tutor Perini Corporation:
Balance as of December 31, 2018	$	(38,670)	$	(6,315)	$	(464)	$	(45,449)
Other comprehensive income before reclassifications		—		548		1,633		2,181
Amounts reclassified from AOCI		992		—		(18)		974
Total other comprehensive income		992		548		1,615		3,155
Balance as of September 30, 2019	$	(37,678)	$	(5,767)	$	1,151	$	(42,294)

The changes in AOCI balances by component (after tax) attributable to Tutor Perini Corporation during the three and nine months ended September 30, 2018 were as follows:

	Three Months Ended September 30, 2018
	Defined				Unrealized		Accumulated
	Benefit		Foreign		Gain (Loss) in		Other
	Pension		Currency		Fair Value of		Comprehensive
(in thousands)	Plan		Translation		Investments, Net		Income (Loss)
Attributable to Tutor Perini Corporation:
Balance as of June 30, 2018	$	(38,706)	$	(5,399)	$	(700)	$	(44,805)
Other comprehensive income (loss) before reclassifications		—		376		(145)		231
Amounts reclassified from AOCI		365		—		16		381
Total other comprehensive income (loss)		365		376		(129)		612
Balance as of September 30, 2018	$	(38,341)	$	(5,023)	$	(829)	$	(44,193)

	Nine Months Ended September 30, 2018
	Defined				Unrealized		Accumulated
	Benefit		Foreign		Gain (Loss) in		Other
	Pension		Currency		Value of		Comprehensive
(in thousands)	Plan		Translation		Investments, Net		Income (Loss)
Attributable to Tutor Perini Corporation:
Balance as of December 31, 2017	$	(39,441)	$	(3,591)	$	314	$	(42,718)
Other comprehensive loss before reclassifications		—		(1,432)		(1,159)		(2,591)
Amounts reclassified from AOCI		1,100		—		16		1,116
Total other comprehensive income (loss)		1,100		(1,432)		(1,143)		(1,475)
Balance as of September 30, 2018	$	(38,341)	$	(5,023)	$	(829)	$	(44,193)