Common Stock (Narrative) (Details) $ / shares in Units, $ in Millions					1 Months Ended		12 Months Ended
	Aug. 19, 2022 shares	Apr. 14, 2022 Item shares	May 19, 2020 shares	Apr. 11, 2016 USD ($) $ / shares shares	Apr. 30, 2023 shares	Apr. 30, 2022 Item shares	Jun. 30, 2023 USD ($) $ / shares shares	Jun. 30, 2022 USD ($) $ / shares shares	Jun. 30, 2021 shares	Feb. 05, 2020 USD ($)
Class Of Stock [Line Items]
Common stock, par value | $ / shares							$ 0.001	$ 0.001
Number of shares, net of treasury excluding non-vested equity shares that have not vested							61,025,827	59,939,054	56,332,060
Employees [Member]
Class Of Stock [Line Items]
Shares issued during period							23,934
Connect [Member]
Class Of Stock [Line Items]
Business acquisition number of issuable number of shares		3,185,079				3,185,079
Number of shares, net of treasury excluding non-vested equity shares that have not vested							3,185,079	3,185,079
Number of tranches | Item		3				3
Connect [Member] | Share Based Compensation Award Tranche One [Member]
Class Of Stock [Line Items]
Business acquisition number of issuable number of shares					1,061,693
Common Stock [Member] | Connect [Member]
Class Of Stock [Line Items]
Shares repurchased							352,994
Executed Under Share Repurchase Authorizations [Member] | Common Stock [Member]
Class Of Stock [Line Items]
Shares repurchased							0	0	0
Executed Under Share Repurchase Authorizations [Member] | Maximum [Member] | Common Stock [Member]
Class Of Stock [Line Items]
Stock repurchase program authorized amount | $										$ 100.0
IFC Investors [Member]
Class Of Stock [Line Items]
Number of shares sold	514,376
Reclassified to additional paid in capital from redeemable common stock | $							$ 5.6
IFC Investors [Member] | Minimum [Member]
Class Of Stock [Line Items]
Percentage of common stock ownership for right to nominate one director				5.00%
Percentage of common stock ownership for right to appoint observer				2.50%
IFC Investors [Member] | Preemptive Rights [Member]
Class Of Stock [Line Items]
Percentage of ownership for right to purchase pro-rata share				5.00%
IFC Investors [Member] | Subscription Agreement [Member]
Class Of Stock [Line Items]
Number of shares sold				9,980,000
Common stock, par value | $ / shares				$ 0.001
Common stock repurchase per share | $ / shares				$ 10.79
Cash consideration received on transaction | $				$ 107.7
IFC Investors [Member] | Subscription Agreement [Member] | Redeemable Common Stock [Member]
Class Of Stock [Line Items]
Number of shares sold				9,980,000
IFC Investors [Member] | Put Option [Member]
Class Of Stock [Line Items]
Percentage of ownership to adopt shareholder rights plan				20.00%
Number of trading days preceding triggering event				60 days
Africa Capitalization Fund, Ltd [Member] | Put Option [Member]
Class Of Stock [Line Items]
Number of shares sold			2,103,169
Cash consideration received on transaction | $								$ 22.7