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Equity Investments (Tables)

12 Months Ended

Jul. 31, 2019

Equity Investments [Abstract]

Schedule of equity investments

July 31 (dollars in thousands)		2019				2018
Zedge, Inc. Class B common stock, 42,282 shares at July 31, 2019 and 2018		$	68			$	125
Rafael Class B common stock, 27,419 and 25,803 shares at July 31, 2019 and 2018, respectively			567				235
Mutual funds			5,053				—
Current "Equity investments"		$	5,688			$	360

Visa Series C Preferred		$	3,619			$	1,580
Hedge funds			5,475				4,787
Other			225				266
Noncurrent "Equity investments"		$	9,319			$	6,633

Schedule of carrying value of equity investments

Year ended July 31, 2019 (in thousands)
Balance at July 31, 2018		$	1,883
Adoption of change in accounting for equity investments			1,213
Balance at August 1, 2018			3,096
Adjustment for observable transactions involving a similar investment from the same issuer			826
Redemptions			(3	)
Impairments			—
BALANCE AT JULY 31, 2019		$	3,919

Schedule of unrealized gains and losses for all equity investments

Year ended July 31 (in thousands)		2019				2018				2017
Net gains (losses) recognized during the period on equity investments		$	1,779			$	(6	)		$	355
Less: net gains recognized during the period on equity investments redeemed during the period			—				—				(378	)
Unrealized gains (losses) recognized during the period on equity investments still held at the reporting date		$	1,779			$	(6	)		$	(23	)