10. Other Comprehensive Income (Loss) and Accumulated Other Comprehensive Loss

The following tables present the changes in “Accumulated other comprehensive loss,” by component, net of tax, for the three and six months ended July 31, 2018 and 2017:

	Three Months Ended July 31, 2018									Six Months Ended July 31, 2018
				Unrealized Gains									Unrealized Gains
	Foreign			and (Losses) on						Foreign			and (Losses) on
	Currency			Available-for-						Currency			Available-for-
	Translation			Sale Securities			Total			Translation			Sale Securities			Total
Balance at beginning of period	$	(18,309	)	$	(404	)	$	(18,713	)	$	(10,340	)	$	(311	)	$	(10,651	)
Other comprehensive income (loss) before reclassifications		(7,881	)		(7	)		(7,888	)		(15,850	)		(87	)		(15,937	)
Amounts reclassified from accumulated other comprehensive income (loss)		—			—			—			—			(13	)		(13	)
Net current-period other comprehensive income (loss)		(7,881	)		(7	)		(7,888	)		(15,850	)		(100	)		(15,950	)
Balance at end of period	$	(26,190	)	$	(411	)	$	(26,601	)	$	(26,190	)	$	(411	)	$	(26,601	)

	Three Months Ended July 31, 2017									Six Months Ended July 31, 2017
				Unrealized Gains									Unrealized Gains
	Foreign			and (Losses) on						Foreign			and (Losses) on
	Currency			Available-for-						Currency			Available-for-
	Translation			Sale Securities			Total			Translation			Sale Securities			Total
Balance at beginning of period	$	(32,224	)	$	(45	)	$	(32,269	)	$	(34,012	)	$	(57	)	$	(34,069	)
Other comprehensive income (loss) before reclassifications		8,942			7			8,949			10,730			5			10,735
Amounts reclassified from accumulated other comprehensive income (loss)		—			(23	)		(23	)		—			(9	)		(9	)
Net current-period other comprehensive income (loss)		8,942			(16	)		8,926			10,730			(4	)		10,726
Balance at end of period	$	(23,282	)	$	(61	)	$	(23,343	)	$	(23,282	)	$	(61	)	$	(23,343	)

All unrealized gains and losses on available-for-sale securities reclassified from accumulated other comprehensive loss were recorded in “Other income, net” in the Condensed Consolidated Statements of Income.