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Goodwill and Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified | 9 Months Ended
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Mar. 31, 2015
Changes in the carrying amount of goodwill |
Balance at the beginning of the period | $ 92,607 us-gaap_Goodwill
Goodwill acquired or adjusted during the period | 7,204 osis_GoodwillAcquiredOrAdjustedDuringPeriod
Foreign currency translation adjustment | (3,099)us-gaap_GoodwillTranslationAdjustments
Balance at the end of the period | 96,712 us-gaap_Goodwill
Security Division |
Changes in the carrying amount of goodwill |
Balance at the beginning of the period | 29,507 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = osis_SecurityDivisionMember
Goodwill acquired or adjusted during the period | 957 osis_GoodwillAcquiredOrAdjustedDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = osis_SecurityDivisionMember
Foreign currency translation adjustment | (818)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = osis_SecurityDivisionMember
Balance at the end of the period | 29,646 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = osis_SecurityDivisionMember
Healthcare Division |
Changes in the carrying amount of goodwill |
Balance at the beginning of the period | 37,237 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = osis_HealthcareDivisionMember
Goodwill acquired or adjusted during the period | 6,210 osis_GoodwillAcquiredOrAdjustedDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = osis_HealthcareDivisionMember
Foreign currency translation adjustment | (1,352)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = osis_HealthcareDivisionMember
Balance at the end of the period | 42,095 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = osis_HealthcareDivisionMember
Optoelectronics and Manufacturing Division |
Changes in the carrying amount of goodwill |
Balance at the beginning of the period | 25,863 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = osis_OptoelectronicsAndManufacturingDivisionMember
Goodwill acquired or adjusted during the period | 37 osis_GoodwillAcquiredOrAdjustedDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = osis_OptoelectronicsAndManufacturingDivisionMember
Foreign currency translation adjustment | (929)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = osis_OptoelectronicsAndManufacturingDivisionMember
Balance at the end of the period | $ 24,971 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = osis_OptoelectronicsAndManufacturingDivisionMember

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- Definition Represents the amount of goodwill acquired or adjusted in the period and allocated to the reportable segment. + References No definition available. + Details
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Balance Type: | debit
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Details
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- Definition Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Details
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- Details
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Period Type: |

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- Details
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Period Type: |