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v2.4.1.9

Commitments and Contingencies (Details) (USD $) | 0 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2015 item | Mar. 31, 2015 | Mar. 31, 2014 | Jun. 30, 2014 | Jun. 30, 2012
Contingent Acquisition Obligations |  |  |  |  |
Fair value of contingent payment obligations | $ 20,800,000 us-gaap_BusinessCombinationContingentConsiderationLiability | $ 20,800,000 us-gaap_BusinessCombinationContingentConsiderationLiability |  | $ 23,200,000 us-gaap_BusinessCombinationContingentConsiderationLiability |
Environmental Contingencies |  |  |  |  |
Number of investigations discovering soil and groundwater contamination at Hawthorne, CA facility | 1 osis_NumberOfInvestigationsDiscoveringSoilAndGroundwaterContamination |  |  |  |
Changes in provision for warranties |  |  |  |  |
Balance at beginning of period | 12,190,000 us-gaap_StandardProductWarrantyAccrual | 11,923,000 us-gaap_StandardProductWarrantyAccrual | 12,890,000 us-gaap_StandardProductWarrantyAccrual |  |
Additions and adjustments |  | 3,314,000 us-gaap_StandardProductWarrantyAccrualWarrantiesIssued | 3,306,000 us-gaap_StandardProductWarrantyAccrualWarrantiesIssued |  |
Reductions for warranty repair costs |  | (3,047,000)us-gaap_StandardProductWarrantyAccrualPayments | (4,840,000)us-gaap_StandardProductWarrantyAccrualPayments |  |
Balance at end of period | 12,190,000 us-gaap_StandardProductWarrantyAccrual | 12,190,000 us-gaap_StandardProductWarrantyAccrual | 11,356,000 us-gaap_StandardProductWarrantyAccrual |  |
Mexican government |  |  |  |  |
Advances from Customers |  |  |  |  |
Advances from customers | 56,300,000 us-gaap_CustomerAdvancesAndDeposits / us-gaap_MajorCustomersAxis = osis_MexicanGovernmentMember | 56,300,000 us-gaap_CustomerAdvancesAndDeposits / us-gaap_MajorCustomersAxis = osis_MexicanGovernmentMember |  |  | 100,000,000 us-gaap_CustomerAdvancesAndDeposits / us-gaap_MajorCustomersAxis = osis_MexicanGovernmentMember
Maximum |  |  |  |  |
Contingent Acquisition Obligations |  |  |  |  |
Maximum amount of future payments under contingent consideration | $ 57,000,000 us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh / us-gaap_RangeAxis = us-gaap_MaximumMember | $ 57,000,000 us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |
Royalty payments |  |  |  |  |
Contingent Acquisition Obligations |  |  |  |  |
Purchase agreements containing royalty payments, number |  | 1 osis_NumberOfPurchaseAgreementsIncludingRoyaltyPaymentTerms / us-gaap_ContingentConsiderationByTypeAxis = osis_ContingentConsiderationRoyaltyPaymentsMember |  |  |

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- Definition The number of investigations in which soil and groundwater contamination was discovered. + References No definition available. + Details
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- Definition The number of purchase agreements which included royalty payment terms. + References No definition available. + Details
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- Definition For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
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- Definition Amount of liability recognized arising from contingent consideration in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 35 -Paragraph 1 -Subparagraph b -URI http://asc.fasb.org/extlink&oid=6911338&loc=d3e6819-128478 + Details
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- Definition Refundable consideration, usually cash, held by the entity pending satisfactory completion of the entity's obligations or pending the closing of a contract. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.15a) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c)(1),(c)(5) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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- Definition Represents the aggregate increase in the liability for accruals related to standard product warranties issued during the reporting period. Does not include any increase in the liability for accruals related to extended product warranties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(3)) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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