XML 67 R55.htm IDEA: XBRL DOCUMENT
v3.25.1

Income Taxes (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2025 | Mar. 31, 2024
Income Taxes |  |  |  |
Effective income tax rate (as a percent) | 14.30% | 22.60% | 19.50% | 21.70%
Net discrete tax benefit related to equity-based compensation under change in accounting principle | $ 4.5 | $ 0.2 | $ 1.3 | $ 0.8
Changes in prior year tax estimates and uncertain tax positions |  |  | $ 4.0 | $ 2.3

X
- Definition Amount of cumulative tax effect on beginning retained earnings from Accounting standard update. + References No definition available. + Details
Name: | osis_IncomeTaxEffectsAllocatedDirectlyToEquityCumulativeEffectOfAccountingStandardUpdate
Namespace Prefix: | osis_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The tax effect of correction of an error charged or credited directly to the opening balance of retained earnings, for changes in prior year tax estimates and uncertain tax positions. + References No definition available. + Details
Name: | osis_IncomeTaxEffectsAllocatedDirectlyToEquityPriorPeriodAdjustmentAndUncertainTaxPositions
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