XML 107 R58.htm IDEA: XBRL DOCUMENT v3.26.1

Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2026	Mar. 31, 2025
Income Taxes
Effective income tax rate (as a percent)	18.30%	14.30%	19.10%	19.50%
Net discrete tax benefit changes in prior year tax estimates		$ 4.5
Net discrete tax benefit related to equity-based compensation	$ 0.4		$ 2.1	$ 1.3
Benefit for changes in uncertain tax positions	$ 2.3
Changes in prior-year's tax estimates			$ 3.3	$ 4.0

X

- Definition

Represents the amount of net discrete tax benefit related to changes in prior year tax estimates and uncertain tax positions.

+ References

No definition available.

+ Details

Name:	osis_DiscreteTaxBenefitExpenseRelatedToChangesInPriorYearTaxEstimatesAndUncertainTaxPositions
Namespace Prefix:	osis_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Represents the amount of net discrete tax benefit related to equity-based compensation under accounting standard update.

+ References

No definition available.

+ Details

Name:	osis_DiscreteTaxBenefitExpenseRelatedToEquityBasedCompensationUnderAccountingStandardUpdate
Namespace Prefix:	osis_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Represents the amount of net discrete tax benefit related to equity-based compensation under accounting standard update, changes in prior year tax estimates and uncertain tax positions.

+ References

No definition available.

+ Details

Name:	osis_DiscreteTaxBenefitExpenseRelatedToEquityBasedCompensationUnderAccountingStandardUpdateChangesInPriorYearTaxEstimatesAndUncertainTaxPositions
Namespace Prefix:	osis_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Represents the amount of net discrete tax benefit related to uncertain tax positions.

+ References

No definition available.

+ Details

Name:	osis_DiscreteTaxBenefitExpenseRelatedToUncertainTaxPositions
Namespace Prefix:	osis_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-12

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 231
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482663/740-10-55-231

+ Details

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

X

- References

No definition available.

+ Details

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