Comprehensive income

12 Months Ended

Dec. 31, 2014

Equity [Abstract]

Comprehensive income

15.    Comprehensive income

The following tables display the components of other comprehensive income (loss) and amounts reclassified from accumulated other comprehensive income (loss) to net income.

	Investment Securities					Defined Benefit Plans			Other			Total Amount Before Tax			Income Tax			Net
	With OTTI			All Other
	(In thousands)
Balance — January 1, 2014	$	37,255			18,450		(161,617	)		115			(105,797	)		41,638		$	(64,159	)
Other comprehensive income before reclassifications:
Unrealized holding gains (losses), net		(29,818	)		180,005		—			—			150,187			(58,962	)		91,225
Foreign currency translation adjustment		—			—		—			(4,039	)		(4,039	)		1,432			(2,607	)
Unrealized losses on cash flow hedges		—			—		—			(165	)		(165	)		65			(100	)
Current year benefit plans losses		—			—		(347,993	)		—			(347,993	)		136,587			(211,406	)
Total other comprehensive income (loss) before reclassifications		(29,818	)		180,005		(347,993	)		(4,204	)		(202,010	)		79,122			(122,888	)
Amounts reclassified from accumulated other comprehensive income that (increase) decrease net income:
Accretion of unrealized holding losses on held-to-maturity (“HTM”) securities		1			3,373		—			—			3,374	(a)		(1,324	)		2,050
Accretion of losses on terminated cash flow hedges		—			—		—			7			7	(d)		(3	)		4
Amortization of prior service credit		—			—		(7,911	)		—			(7,911	)(e)		3,105			(4,806	)
Amortization of actuarial losses		—			—		14,494			—			14,494	(e)		(5,689	)		8,805
Total reclassifications		1			3,373		6,583			7			9,964			(3,911	)		6,053
Total gain (loss) during the period		(29,817	)		183,378		(341,410	)		(4,197	)		(192,046	)		75,211			(116,835	)
Balance — December 31, 2014	$	7,438			201,828		(503,027	)		(4,082	)		(297,843	)		116,849		$	(180,994	)

	Investment Securities						Defined Benefit Plans			Other			Total Amount Before Tax			Income Tax			Net
	With OTTI			All Other
	(In thousands)
Balance — January 1, 2013	$	(91,835	)		152,199			(455,590	)		(431	)		(395,657	)		155,393		$	(240,264	)
Other comprehensive income before reclassifications:
Unrealized holding gains (losses), net		77,794			(129,628	)		—			—			(51,834	)		20,311			(31,523	)
Foreign currency translation adjustment		—			—			—			546			546			(165	)		381
Current year benefit plans gains		—			—			260,452			—			260,452			(102,227	)		158,225
Total other comprehensive income (loss) before reclassifications		77,794			(129,628	)		260,452			546			209,164			(82,081	)		127,083
Amounts reclassified from accumulated other comprehensive income that (increase) decrease net income:
Accretion of unrealized holding losses on HTM securities		279			4,008			—			—			4,287	(a)		(1,683	)		2,604
OTTI charges recognized in net income		9,800			—			—			—			9,800	(b)		(3,847	)		5,953
Losses (gains) realized in net income		41,217			(8,129	)		—			—			33,088	(c)		(12,987	)		20,101
Amortization of prior service credit		—			—			(7,915	)		—			(7,915	)(e)		3,107			(4,808	)
Amortization of actuarial losses		—			—			41,436			—			41,436	(e)		(16,264	)		25,172
Total reclassifications		51,296			(4,121	)		33,521			—			80,696			(31,674	)		49,022
Total gain (loss) during the period		129,090			(133,749	)		293,973			546			289,860			(113,755	)		176,105
Balance —December 31, 2013	$	37,255			18,450			(161,617	)		115			(105,797	)		41,638		$	(64,159	)

	Investment Securities						Defined Benefit Plans			Other			Total Amount Before Tax			Income Tax			Net
	With OTTI			All Other
	(In thousands)
Balance — January 1, 2012	$	(138,319	)		9,757			(457,145	)		(1,062	)		(586,769	)		230,328		$	(356,441	)
Other comprehensive income before reclassifications:
Unrealized holding gains (losses), net		(2,998	)		137,921			—			—			134,923			(52,905	)		82,018
Foreign currency translation adjustment		—			—			—			809			809			(290	)		519
Current year benefit plans losses		—			—			(29,823	)		—			(29,823	)		11,705			(18,118	)
Total other comprehensive income (loss) before reclassifications		(2,998	)		137,921			(29,823	)		809			105,909			(41,490	)		64,419
Amounts reclassified from accumulated other comprehensive income that (increase) decrease net income:
Accretion of unrealized holding losses on HTM securities		1,660			4,530			—			—			6,190	(a)		(2,430	)		3,760
OTTI charges recognized in net income		47,822			—			—			—			47,822	(b)		(18,770	)		29,052
Gains realized in net income		—			(9	)		—			—			(9	)(c)		4			(5	)
Amortization of gains on terminated cash flow hedges		—			—			—			(178	)		(178	)(d)		66			(112	)
Amortization of prior service credit		—			—			(6,538	)		—			(6,538	)(e)		2,566			(3,972	)
Amortization of actuarial losses		—			—			37,916			—			37,916	(e)		(14,881	)		23,035
Total reclassifications		49,482			4,521			31,378			(178	)		85,203			(33,445	)		51,758
Total gain during the period		46,484			142,442			1,555			631			191,112			(74,935	)		116,177
Balance —December 31, 2012	$	(91,835	)		152,199			(455,590	)		(431	)		(395,657	)		155,393		$	(240,264	)

(a) Included in interest income.

(b) Included in OTTI losses recognized in earnings.

(c) Included in gain (loss) on bank investment securities.

(d) Included in interest expense.

(e) Included in salaries and employee benefits expense.

Accumulated other comprehensive income (loss), net consisted of unrealized gains (losses) as follows:

	Investment Securities						Defined Benefit Plans			Other			Total
	With OTTI			All Other
							(In thousands)
Balance at January 1, 2012	$	(84,029	)	$	5,995		$	(277,716	)	$	(691	)	$	(356,441	)
Net gain (loss) during 2012		28,239			86,586			945			407			116,177
Balance at December 31, 2012		(55,790	)		92,581			(276,771	)		(284	)		(240,264	)
Net gain (loss) during 2013		78,422			(81,287	)		178,589			381			176,105
Balance at December 31, 2013		22,632			11,294			(98,182	)		97			(64,159	)
Net gain (loss) during 2014		(18,114	)		111,389			(207,407	)		(2,703	)		(116,835	)
Balance at December 31, 2014	$	4,518		$	122,683		$	(305,589	)	$	(2,606	)	$	(180,994	)