XML 48 R37.htm IDEA: XBRL DOCUMENT v3.8.0.1

Business Combinations - American Science and Engineering (Details) - AS&E $ in Millions	Sep. 09, 2016 USD ($)
Business Combinations
Percentage of ownership acquired	100.00%
Total cash merger consideration	$ 266
Cash on hand to pay down the revolving bank line of credit	$ 69

X

- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date used immediately to pay down debt.

+ References

No definition available.

+ Details

Name:	osis_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashUsedForPayDownOfDebt
Namespace Prefix:	osis_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

X

- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

+ Details

Name:	us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=osis_AmericanScienceAndEngineeringInc.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: