Debt Instrument, Foreign Currency Adjustment

No definition available.

Name:	lsak_DebtInstrumentForeignCurrencyAdjustment
Namespace Prefix:	lsak_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The net cash inflow or outflow from the excess drawing from an existing cash balance, which will be honored by the bank but reflected as a loan to the drawer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 15
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 14
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-14

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 9
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-9

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash outflow for a borrowing having initial term of repayment within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 15
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_ShortTermDebtLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of borrowings from a creditor other than a bank with a maturity within one year or operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(a)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04(13)(a)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04(13)(a)(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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Balance Type:
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=lsak_NoRestrictionsAsToUseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=lsak_NedbankShortTermCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=lsak_DerivativeFacilitiesMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=lsak_RmbFacilityGBFMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=lsak_RmbOtherMember
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Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_LineOfCreditFacilityAxis=lsak_NedbankFacilitiesMember
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- Details

Name:	us-gaap_LineOfCreditFacilityAxis=lsak_RmbConnectMember
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- Details

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- Details

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- Details

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Borrowings (Summary Of Short-Term Credit Facilities) (Details) $ in Thousands, R in Millions	12 Months Ended
	Jun. 30, 2025 USD ($)	Jun. 30, 2025 ZAR (R)	Jun. 30, 2024 USD ($)	Jun. 30, 2024 ZAR (R)	Jun. 30, 2023 USD ($)	Jun. 30, 2025 ZAR (R)
Short-term Debt [Line Items]
Short-term facility available	$ 53,964
Utilized	98,616		$ 182,990		$ 520,065
Overdraft Facility [Member]
Short-term Debt [Line Items]
Short-term facility available	39,475
Beginning Balance	16,088		32,046
Utilized	98,616		182,990
Repaid	(89,171)		(199,642)
Foreign currency adjustment	(1,064)		694
Ending Balance	24,469		16,088		32,046
Overdraft Facility [Member] \| Overdraft Restricted As To Use For ATM Funding Only [Member]
Short-term Debt [Line Items]
Beginning Balance	6,737
Ending Balance			6,737
Overdraft Facility [Member] \| No Restrictions As To Use [Member]
Short-term Debt [Line Items]
Beginning Balance	9,351
Ending Balance	$ 24,469		9,351
Overdraft Facility [Member] \| Nedbank Short-Term Credit Facility [Member]
Short-term Debt [Line Items]
Interest rate	0.50%					0.50%
Indirect And Derivative Facilities [Member]
Short-term Debt [Line Items]
Short-term facility available	$ 14,489
Beginning Balance	1,937		1,869
Foreign currency adjustment	46		68
Ending Balance	1,983		1,937		1,869
Rmb GBF [Member]
Short-term Debt [Line Items]
Short-term facility available	39,475
Rmb GBF [Member] \| Overdraft Facility [Member]
Short-term Debt [Line Items]
Short-term facility available	39,475
Beginning Balance	0		0
Utilized	27,917		0
Repaid	(4,311)		0
Foreign currency adjustment	863		0
Ending Balance	$ 24,469		0		0
Interest rate	10.25%					10.25%
Rmb GBF [Member] \| Overdraft Facility [Member] \| Overdraft Restricted As To Use For ATM Funding Only [Member]
Short-term Debt [Line Items]
Beginning Balance	$ 0
Ending Balance			0
Rmb GBF [Member] \| Overdraft Facility [Member] \| No Restrictions As To Use [Member]
Short-term Debt [Line Items]
Beginning Balance	0
Ending Balance	24,469		0
Rmb GBF [Member] \| Indirect And Derivative Facilities [Member]
Short-term Debt [Line Items]
Short-term facility available	0
Beginning Balance	0		0
Foreign currency adjustment	0		0
Ending Balance	0		0		0
Rmb Other [Member]
Short-term Debt [Line Items]
Short-term facility available	5,672
Rmb Other [Member] \| Overdraft Facility [Member]
Short-term Debt [Line Items]
Short-term facility available	0
Beginning Balance	0		0
Utilized	0		0
Repaid	0		0
Foreign currency adjustment	0		0
Ending Balance	0		0		0
Rmb Other [Member] \| Overdraft Facility [Member] \| Overdraft Restricted As To Use For ATM Funding Only [Member]
Short-term Debt [Line Items]
Beginning Balance	0
Ending Balance			0
Rmb Other [Member] \| Overdraft Facility [Member] \| No Restrictions As To Use [Member]
Short-term Debt [Line Items]
Beginning Balance	0
Ending Balance	0		0
Rmb Other [Member] \| Indirect And Derivative Facilities [Member]
Short-term Debt [Line Items]
Short-term facility available	5,672
Beginning Balance	1,821		1,757
Foreign currency adjustment	43		64
Ending Balance	1,864		1,821		1,757
Nedbank Facilities [Member]
Short-term Debt [Line Items]
Short-term facility available	8,817
Nedbank Facilities [Member] \| Overdraft Facility [Member]
Short-term Debt [Line Items]
Short-term facility available	0
Beginning Balance	0		0
Utilized	0		0
Repaid	0		0
Foreign currency adjustment	0		0
Ending Balance	0		0		0
Nedbank Facilities [Member] \| Overdraft Facility [Member] \| Overdraft Restricted As To Use For ATM Funding Only [Member]
Short-term Debt [Line Items]
Beginning Balance	0
Ending Balance			0
Nedbank Facilities [Member] \| Overdraft Facility [Member] \| No Restrictions As To Use [Member]
Short-term Debt [Line Items]
Beginning Balance	0
Ending Balance	0		0
Nedbank Facilities [Member] \| Indirect And Derivative Facilities [Member]
Short-term Debt [Line Items]
Short-term facility available	8,817
Beginning Balance	116		112
Foreign currency adjustment	3		4
Ending Balance	119		116		112
RMB Connect [Member]
Short-term Debt [Line Items]
Short-term facility available	0
RMB Connect [Member] \| Overdraft Facility [Member]
Short-term Debt [Line Items]
Short-term facility available	0
Beginning Balance	9,351		9,025
Utilized	5,655		2
Repaid	(14,627)		(2)
Foreign currency adjustment	(379)		326
Ending Balance	$ 0		9,351		9,025
Interest rate	11.65%			11.65%		11.65%
RMB Connect [Member] \| Overdraft Facility [Member] \| Overdraft Restricted As To Use For ATM Funding Only [Member]
Short-term Debt [Line Items]
Beginning Balance	$ 0
Ending Balance			0
RMB Connect [Member] \| Overdraft Facility [Member] \| No Restrictions As To Use [Member]
Short-term Debt [Line Items]
Beginning Balance	9,351
Ending Balance	0		9,351
RMB Connect [Member] \| Indirect And Derivative Facilities [Member]
Short-term Debt [Line Items]
Short-term facility available	0
Beginning Balance	0		0
Foreign currency adjustment	0		0
Ending Balance	0		0		0
Rmb Bridge [Member]
Short-term Debt [Line Items]
Short-term facility available	0
Rmb Bridge [Member] \| Overdraft Facility [Member]
Short-term Debt [Line Items]
Short-term facility available	0
Beginning Balance	0		0
Utilized	41,150		0
Repaid	(39,205)		0
Foreign currency adjustment	(1,945)		0
Ending Balance	0		0		0
Rmb Bridge [Member] \| Overdraft Facility [Member] \| Overdraft Restricted As To Use For ATM Funding Only [Member]
Short-term Debt [Line Items]
Beginning Balance	0
Ending Balance			0
Rmb Bridge [Member] \| Overdraft Facility [Member] \| No Restrictions As To Use [Member]
Short-term Debt [Line Items]
Beginning Balance	0
Ending Balance	0		0
Rmb Bridge [Member] \| Indirect And Derivative Facilities [Member]
Short-term Debt [Line Items]
Short-term facility available	0
Beginning Balance	0		0
Foreign currency adjustment	0		0
Ending Balance	0		0		0
RMB Facility E [Member]
Short-term Debt [Line Items]
Short-term facility available	0
RMB Facility E [Member] \| Overdraft Facility [Member]
Short-term Debt [Line Items]
Short-term facility available	0
Beginning Balance	6,737		23,021
Utilized	23,894		182,988
Repaid	(31,028)		(199,640)
Foreign currency adjustment	397		368
Ending Balance	$ 0		6,737		23,021
Interest rate	11.75%			11.75%		11.75%
RMB Facility E [Member] \| Overdraft Facility [Member] \| Overdraft Restricted As To Use For ATM Funding Only [Member]
Short-term Debt [Line Items]
Beginning Balance	$ 6,737
Ending Balance			6,737
RMB Facility E [Member] \| Overdraft Facility [Member] \| No Restrictions As To Use [Member]
Short-term Debt [Line Items]
Beginning Balance	0
Ending Balance	$ 0		0
RMB Facility E [Member] \| Overdraft Facility [Member] \| Nedbank Short-Term Credit Facility [Member]
Short-term Debt [Line Items]
Interest rate	0.10%					0.10%
RMB Facility E [Member] \| Indirect And Derivative Facilities [Member]
Short-term Debt [Line Items]
Short-term facility available	$ 0
Beginning Balance	0		0
Foreign currency adjustment	0		0
Ending Balance	0		0		$ 0
Nedbank Limited [Member] \| Indirect And Derivative Facilities [Member]
Short-term Debt [Line Items]
Short-term facility available \| R				R 156.6		R 156.6
Beginning Balance	100	R 2.1
Ending Balance	100	R 2.1	$ 100	R 2.1
Total funds in bank accounts	$ 300					R 5.0
South Africa [Member] \| Prime Rate [Member]
Short-term Debt [Line Items]
Margin	10.75%	10.75%
South Africa [Member] \| JIBAR [Member]
Short-term Debt [Line Items]
Margin	7.29%	7.29%