Comprehensive Income (Tables)

6 Months Ended

Jun. 30, 2016

Equity [Abstract]

Components of Comprehensive Income, Net of Related Tax

The components of comprehensive income, net of related tax, are as follows:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
(in thousands)	2016			2015			2016			2015
Net income	$	41,300		$	40,131		$	67,432		$	80,474
Other comprehensive income:
Securities available for sale:
Unrealized gains (losses) arising during the period, net of tax (benefit) expense of $3,634, $(3,870), $11,353 and $652		6,749			(7,188	)		21,085			1,212
Reclassification adjustment for (gains) losses included in net income, net of tax expense of $79, $5, $104 and $2		(147	)		(9	)		(193	)		(3	)
Derivative instruments:
Unrealized gains (losses) arising during the period, net of tax expense (benefit) of $833, $(860), $2,527 and $645		1,548			(1,597	)		4,693			1,196
Reclassification adjustment for gains included in net income, net of tax expense of $191, $285, $379 and $568		(355	)		(529	)		(704	)		(1,055	)
Pension and postretirement benefit obligations:
Unrealized gains arising during the period, net of tax expense of $214, $189, $427 and $377		397			350			793			700
Other comprehensive income (loss)		8,192			(8,973	)		25,674			2,050
Comprehensive income	$	49,492		$	31,158		$	93,106		$	82,524

Changes in AOCI, Net of Tax, by Component

The following table presents changes in AOCI, net of tax, by component:

(in thousands)	Unrealized Net Gains (Losses) on Securities Available for Sale			Unrealized Net Gains (Losses) on Derivative Instruments			Unrecognized Pension and Postretirement Obligations			Total
Six Months Ended June 30, 2016
Balance at beginning of period	$	(3,873	)	$	1,440		$	(48,700	)	$	(51,133	)
Other comprehensive income before reclassifications		21,085			4,693			793			26,571
Amounts reclassified from AOCI		(193	)		(704	)		—			(897	)
Net current period other comprehensive income		20,892			3,989			793			25,674
Balance at end of period	$	17,019		$	5,429		$	(47,907	)	$	(25,459	)