Accumulated Other Comprehensive Income (Loss) ("AOCI") (Tables)

12 Months Ended

Dec. 31, 2017

Accumulated Other Comprehensive Income Other Comprehensive Income [Abstract]

Components of Accumulated Other Comprehensive Income (Loss)

The following table presents a summary of the changes in each component of AOCI for the years ended December 31, 2017, 2016 and 2015:

	Unrealized gains (losses) on securities			Foreign currency translation adjustment			Pension benefit adjustment			Accumulated other comprehensive income (loss)
	(in thousands)
Balance at December 31, 2014	$	10,911		$	(20,420	)	$	(189,580	)	$	(199,089	)
Change in unrealized gains (losses) on securities		(42,205	)		—			—			(42,205	)
Change in foreign currency translation adjustment		—			(36,822	)		—			(36,822	)
Net actuarial gain		—			—			10,743			10,743
Amortization of net actuarial loss		—			—			32,645			32,645
Amortization of prior service credit		—			—			(4,163	)		(4,163	)
Tax effect		14,893			—			(15,002	)		(109	)
Balance at December 31, 2015		(16,401	)		(57,242	)		(165,357	)		(239,000	)
Change in unrealized gains (losses) on securities		(15,702	)		—			—			(15,702	)
Change in foreign currency translation adjustment		—			(6,334	)		—			(6,334	)
Net actuarial loss		—			—			(48,803	)		(48,803	)
Amortization of net actuarial loss		—			—			28,282			28,282
Amortization of prior service credit		—			—			(4,844	)		(4,844	)
Settlement costs		—			—			66,337			66,337
Tax effect		5,343			—			(15,672	)		(10,329	)
Balance at December 31, 2016		(26,760	)		(63,576	)		(140,057	)		(230,393	)
Change in unrealized gains (losses) on securities		86,834			—			—			86,834
Change in foreign currency translation adjustment		—			24,744			—			24,744
Net actuarial loss		—			—			(20,407	)		(20,407	)
Amortization of net actuarial loss		—			—			17,742			17,742
Amortization of prior service credit		—			—			(4,312	)		(4,312	)
Settlement costs		—			—			152,388			152,388
Tax effect		(23,271	)		—			(70,814	)		(94,085	)
Balance at December 31, 2017	$	36,803		$	(38,832	)	$	(65,460	)	$	(67,489	)

Accumulated Other Comprehensive Income (Loss) Allocated to Company and Noncontrolling Interests

Components of AOCI allocated to the Company and noncontrolling interests at December 31, 2017, 2016 and 2015, are as follows:

	Unrealized gains (losses) on securities			Foreign currency translation adjustment			Pension benefit adjustment			Accumulated other comprehensive income (loss)
	(in thousands)
2017
Allocated to the Company	$	36,783		$	(38,832	)	$	(65,460	)	$	(67,509	)
Allocated to noncontrolling interests		20			—			—			20
Balance at December 31, 2017	$	36,803		$	(38,832	)	$	(65,460	)	$	(67,489	)
2016
Allocated to the Company	$	(26,767	)	$	(63,576	)	$	(140,057	)	$	(230,400	)
Allocated to noncontrolling interests		7			—			—			7
Balance at December 31, 2016	$	(26,760	)	$	(63,576	)	$	(140,057	)	$	(230,393	)
2015
Allocated to the Company	$	(16,404	)	$	(57,242	)	$	(165,357	)	$	(239,003	)
Allocated to noncontrolling interests		3			—			—			3
Balance at December 31, 2015	$	(16,401	)	$	(57,242	)	$	(165,357	)	$	(239,000	)

Adjustments for Reclassification of Other Comprehensive Income (Loss)

The following table presents the other comprehensive income (loss) reclassification adjustments for the years ended December 31, 2017, 2016 and 2015:

	Unrealized gains (losses) on securities			Foreign currency translation adjustment			Pension benefit adjustment			Total other comprehensive income (loss)
	(in thousands)
Year ended December 31, 2017
Pretax change before reclassifications	$	101,553		$	24,744		$	(20,407	)	$	105,890
Reclassifications out of AOCI		(14,719	)		—			165,818			151,099
Tax effect		(23,271	)		—			(70,814	)		(94,085	)
Total other comprehensive income (loss), net of tax	$	63,563		$	24,744		$	74,597		$	162,904
Year ended December 31, 2016
Pretax change before reclassifications	$	2,617		$	(6,334	)	$	(48,803	)	$	(52,520	)
Reclassifications out of AOCI		(18,319	)		—			89,775			71,456
Tax effect		5,343			—			(15,672	)		(10,329	)
Total other comprehensive income (loss), net of tax	$	(10,359	)	$	(6,334	)	$	25,300		$	8,607
Year ended December 31, 2015
Pretax change before reclassifications	$	(46,601	)	$	(36,822	)	$	10,743		$	(72,680	)
Reclassifications out of AOCI		4,396			—			28,482			32,878
Tax effect		14,893			—			(15,002	)		(109	)
Total other comprehensive income (loss), net of tax	$	(27,312	)	$	(36,822	)	$	24,223		$	(39,911	)

Reclassifications out of Accumulated Other Comprehensive Income (Loss)

The following table presents the effect of the reclassifications out of AOCI on the respective line items in the consolidated statements of income:

	Amounts reclassified from AOCI
	Year ended December 31,										Affected line items in the
(in thousands)	2017			2016				2015			consolidated statements of income
Unrealized gains (losses) on securities:
Net realized gains (losses) on sales of securities	$	14,719		$	18,804		$	(2,147	)		Net realized investment gains (losses)
Net other-than-temporary impairment losses		—			(485	)		(2,249	)		Net realized investment gains (losses)
Pretax total	$	14,719		$	18,319		$	(4,396	)
Tax effect	$	(5,259	)	$	(7,007	)	$	1,551
Pension benefit adjustment:
Amortization of net actuarial loss	$	(17,742	)	$	(28,282	)	$	(32,645	)	(1)
Amortization of prior service credit		4,312			4,844			4,163		(1)
Settlement costs		(152,388	)		(66,337	)		—		(1)
Pretax total	$	(165,818	)	$	(89,775	)	$	(28,482	)
Tax effect	$	67,322		$	34,339		$	10,893

(1) These components of AOCI are included in the computation of net periodic cost. See Note 13 Employee Benefit Plans for additional details.