Changes in Accumulated Other Comprehensive Loss by component, net of tax, for the three and six months ended October 31, 2018 and 2017 were as follows:

	Foreign Currency Translation			Unamortized Retirement Costs			Interest Rate Swaps			Total
Balance at July 31, 2018	$	(291,898	)	$	(182,215	)	$	2,367		$	(471,746	)
Other comprehensive (loss) income before reclassifications		(20,424	)		3,273			543			(16,608	)
Amounts reclassified from accumulated other comprehensive loss		—			1,114			(1,324	)		(210	)
Total other comprehensive (loss) income		(20,424	)		4,387			(781	)		(16,818	)
Balance at October 31, 2018	$	(312,322	)	$	(177,828	)	$	1,586		$	(488,564	)

Balance at April 30, 2018	$	(251,573	)	$	(191,026	)	$	3,019		$	(439,580	)
Other comprehensive income (loss) before reclassifications		(60,749	)		10,993			613			(49,143	)
Amounts reclassified from accumulated other comprehensive loss		—			2,205			(2,046	)		159
Total other comprehensive income (loss)		(60,749	)		13,198			(1,433	)		(48,984	)
Balance at October 31, 2018	$	(312,322	)	$	(177,828	)	$	1,586		$	(488,564	)

	Foreign Currency Translation			Unamortized Retirement Costs			Interest Rate Swaps			Total

Balance at July 31, 2017	$	(291,807	)	$	(192,449	)	$	2,066		$	(482,190	)
Other comprehensive income (loss) before reclassifications		5,636			(1,673	)		238			4,201
Amounts reclassified from accumulated other comprehensive loss		—			1,094			169			1,263
Total other comprehensive income (loss)		5,636			(579	)		407			5,464
Balance at October 31, 2017	$	(286,171	)	$	(193,028	)	$	2,473		$	(476,726	)

Balance at April 30, 2017	$	(319,212	)	$	(190,502	)	$	2,427		$	(507,287	)
Other comprehensive income (loss) before reclassifications		33,041			(4,690	)		(194	)		28,157
Amounts reclassified from accumulated other comprehensive loss		—			2,164			240			2,404
Total other comprehensive income (loss)		33,041			(2,526	)		46			30,561
Balance at October 31, 2017	$	(286,171	)	$	(193,028	)	$	2,473		$	(476,726	)