XML 48 R32.htm IDEA: XBRL DOCUMENT v3.25.2

LEASES (Tables)

12 Months Ended

Jun. 30, 2025

LEASES

Schedule of components of operating lease expense

The components of operating lease expense for the fiscal years ended June 30, 2024 and 2025 were as follows (in thousands):

​	​	​	​	​	​	​
​		Fiscal Year Ended June 30,
​	​	2024			2025
Operating lease cost	​	$	11,227	​	$	12,342
Variable lease cost	​		1,127	​	​	954
Short-term lease cost	​		1,441	​	​	1,673
​	​	$	13,795	​	$	14,969

Schedule of supplemental disclosures related to operating leases

Supplemental balance sheet assets and liabilities related to operating leases were as follows (dollar amounts in thousands):

​	​	​	​	​	​	​	​	​	​	​
​		Balance Sheet Category			June 30, 2024			June 30, 2025
Operating lease ROU assets, net		​	Other assets	​	$	30,040	​	$	32,040	​
​	​	​	​	​	​	​	​	​	​	​
Operating lease liabilities, current portion		​	Other accrued expenses and current liabilities	​	$	9,706	​	$	11,712	​
Operating lease liabilities, long-term		​	Other long-term liabilities	​		21,127	​	​	20,977	​
Total operating lease liabilities	​	​	​	​	$	30,833	​	$	32,689	​
​	​	​	​	​	​	​	​	​	​	​
Weighted average remaining lease term	​		​	​		​	​	​	3.5 years	​
Weighted average discount rate	​		​	​		​	​	​	5.2	%

Schedule of supplemental cash flow information related to operating leases

Supplemental cash flow information related to operating leases for the year ended June 30, 2025 was as follows (in thousands):

​	​	​	​	​	​	​
​	​	Fiscal Year Ended June 30,
​		2024			2025
Cash paid for operating lease liabilities	​	$	11,914	​	$	13,047
ROU assets obtained in exchange for new lease obligations	​		7,197	​	​	11,628

Schedule of maturities of operating lease liabilities

Maturities of operating lease liabilities at June 30, 2025 were as follows (in thousands):

​	​	​	​
​		June 30, 2025
Less than one year	​	$	13,043
1 – 2 years	​		11,233
2 – 3 years	​		5,585
3 – 4 years	​		2,829
4 – 5 years	​		1,451
Thereafter	​		1,406
​	​		35,547
Less: Imputed interest	​		(2,858)
Total lease liabilities	​	$	32,689

​

X

- Definition

Tabular disclosure of supplemental balance sheet assets and liabilities related to operating leases.

+ References

No definition available.

+ Details

Name:	osis_ScheduleOfSupplementalBalanceSheetAssetsAndLiabilitiesRelatedToOperatingLeasesTableTextBlock
Namespace Prefix:	osis_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of supplemental cash flow information for operating leases.

+ References

No definition available.

+ Details

Name:	osis_ScheduleOfSupplementalCashFlowInformationForOperatingLeasesTableTextBlock
Namespace Prefix:	osis_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-4

+ Details

Name:	us-gaap_LeaseCostTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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

X

- Definition

Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-6

+ Details

Name:	us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration