Changes, net of tax, in Accumulated other comprehensive loss are as follows:



	Unrealized gain (loss) on available-for-sale securities			Unrealized loss on derivative financial instruments			Cumulative translation adjustments			Change in net pension and other benefit obligations			Total
Balance at December 31, 2016	$	62,527		$	(688	)	$	(19,548	)	$	(109,270	)	$	(66,979	)
Other comprehensive income (loss), net of tax - before reclassifications ^(a)	26,878			569			4,512			(6,926		)	25,033
Reclassification adjustments, net of tax ^(b)	908			—			—			—			908
Net other comprehensive income (loss) attributable to common unitholders ^(c)	27,786			569			4,512			(6,926		)	25,941
Acquisition of AOCI from noncontrolling interests	765			—			(3,223		)	(60,889		)	(63,347		)
Balance at December 31, 2017	91,078			(119		)	(18,259		)	(177,085		)	(104,385		)
Net other comprehensive (loss) income attributable to common unitholders ^{(a), (c)}	(274		)	(28		)	(4,693		)	24,247			19,252
Cumulative effect of adopting ASU 2016-01 relating to net unrealized gains and losses on equity securities ^(d)	(91,078		)	—			—			—			(91,078		)
Acquisition of AOCI from noncontrolling interests	—			(130		)	(524		)	(379		)	(1,033		)
Balance at December 31, 2018	$	(274	)	$	(277	)	$	(23,476	)	$	(153,217	)	$	(177,244	)


(a)	Net of a tax provision of approximately $8,349 and $31,029 and for the years ended December 31, 2018 and 2017, respectively.


(b)	Net of a tax provision of approximately $329.

(c)

For 2017, does not include the net unrealized gain on available-for sale securities of $811, the gain on derivative financial instruments of $55, cumulative translation adjustment gains of $932 and gains from the change in net pension and other post-retirement benefit obligations of $474, which are attributable to noncontrolling interests. For 2018, does not include the net unrealized gain on derivative financial instruments of $26 and cumulative translation adjustment of $(40), which are attributable to noncontrolling interests.


(d)	Effective January 1, 2018 upon adoption of ASU 2016-01, a cumulative effect reclassification adjustment was made to remove the net unrealized gains and losses on equity securities from Accumulated other comprehensive loss and reclassify them to Partners' capital.