OTHER COMPREHENSIVE INCOME (LOSS)

Comprehensive income (loss) represents a measure of all changes in equity that result from recognized transactions and other economic events other than transactions with owners in their capacity as owners. Other comprehensive income (loss) includes foreign currency translations and gains (losses) on hedging instruments.

The following table presents the changes in each component of accumulated other comprehensive (loss) income, net of tax:



(In thousands)	Foreign Currency Translation Adjustments			Hedging Activities			Accumulated Other Comprehensive Income
Balance as of December 31, 2016	$	13,801		$	(2,972	)	$	10,829
Other comprehensive (loss) income	(16,230		)	1,570			(14,660		)
Less: other comprehensive (loss) income attributable to non-controlling interests	(5,480		)	1,054			(4,426		)
Balance as of June 30, 2017	$	3,051		$	(2,456	)	$	595

The following tables present the changes in each component of accumulated other comprehensive income (loss) and the related tax effects for the three months ended June 30, 2017 and 2016:



	Three Months Ended June 30, 2017
(In thousands)	Before Tax			Tax Effect			Net of Tax
Foreign currency translation adjustments:	$	(28,811	)	$	—		$	(28,811	)
Unrealized gain (loss) on hedging instruments	4,037			(290		)	3,747
Net other comprehensive loss	$	(24,774	)	$	(290	)	$	(25,064	)
Less: Other comprehensive loss attributable to non-controlling interests, net of tax							(8,918		)
Other comprehensive loss attributable to Class A stockholders							$	(16,146	)



	Three Months Ended June 30, 2016
(In thousands)	Before Tax			Tax Effect		Net of Tax
Foreign currency translation adjustments	$	33,954		$	271	$	34,225
Unrealized (loss) gain on hedging instruments	(2,653		)	4,792		2,139
Net other comprehensive income	$	31,301		$	5,063	$	36,364
Less: Other comprehensive income attributable to non-controlling interests, net of tax						14,886
Other comprehensive income attributable to Class A stockholders						$	21,478

The following tables present the changes in each component of accumulated other comprehensive income (loss) and the related tax effects for the six months ended June 30, 2017 and 2016:



	Six Months Ended June 30, 2017
(In thousands)	Before Tax			Tax Effect		Net of Tax
Foreign currency translation adjustments:	$	(16,230	)	$	—	$	(16,230	)
Unrealized gain on hedging instruments	1,570			401		1,971
Net other comprehensive (loss) income	$	(14,660	)	$	401	$	(14,259	)
Less: Other comprehensive loss attributable to non-controlling interests, net of tax						(4,160		)
Other comprehensive loss attributable to Class A stockholders						$	(10,099	)



	Six Months Ended June 30, 2016
(In thousands)	Before Tax			Tax Effect		Net of Tax
Foreign currency translation adjustments	$	38,511		$	271	$	38,782
Unrealized (loss) gain on hedging instruments	(17,116		)	4,792		(12,324		)
Net other comprehensive income	$	21,395		$	5,063	$	26,458
Less: Other comprehensive income attributable to non-controlling interests, net of tax						7,036
Other comprehensive income attributable to Class A stockholders						$	19,422