XML 93 R76.htm IDEA: XBRL DOCUMENT v3.5.0.2

Commitments and Contingencies (Details Textual)										3 Months Ended	12 Months Ended
	Mar. 29, 2016 claim	Mar. 24, 2016 claim	Mar. 11, 2016 claim	Jun. 05, 2015 motion	Mar. 10, 2015 patent	Mar. 18, 2014 USD ($)	Nov. 08, 2012 USD ($)	Jan. 11, 2012 reexamination_appeal claim	Jan. 02, 2008 Lawsuit	May 31, 2016 USD ($) reexamination_appeal	May 31, 2016 USD ($) Petition	May 31, 2015 USD ($)	May 31, 2014 USD ($)
Commitments and Contingencies (Textual) [Abstract]
Aggregate rental costs under operating leases											$ 2,500,000	$ 3,400,000	$ 2,000,000
Judgment entered in favor						$ 74,900,000
Total future purchase obligations due through 2021										$ 8,900,000	8,900,000
Purchase obligations thereafter										$ 0	$ 0
Biolitec
Commitments and Contingencies (Textual) [Abstract]
Number of lawsuits against biolitec previously settled for which seeking defense and indemnification | Lawsuit									2
Partial judgment granted							$ 23,200,000
The Utah Action
Commitments and Contingencies (Textual) [Abstract]
Number of petitions filed for reexamination of patents | Petition											3
Number of claims rejected (claim) | claim	20	8	6					40
Number of claims filed (claim) | claim								41
Number of reexaminations (reexamination appeal) | reexamination_appeal								3
Number of pending claims (claim) | claim		10	10
Number of claims reversed (claim) | claim		2	4
The Delaware Action
Commitments and Contingencies (Textual) [Abstract]
Number of patents allegedly infringed (patent)				2	3
Pending Litigation | The Utah Action
Commitments and Contingencies (Textual) [Abstract]
Number of reexaminations (reexamination appeal) | reexamination_appeal										2
C.R. Bard, Inc. | Pending Litigation | The Utah Action
Commitments and Contingencies (Textual) [Abstract]
Number of reexaminations (reexamination appeal) | reexamination_appeal										3

X

- Definition

Commitments and Contingencies [Textual Abstract]

+ References

No definition available.

+ Details

Name:	ango_CommitmentsAndContingenciesTextualAbstract
Namespace Prefix:	ango_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Loss Contingency, Claims Reversed, Number

+ References

No definition available.

+ Details

Name:	ango_LossContingencyClaimsReversedNumber
Namespace Prefix:	ango_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Loss Contingency, Reexaminations, Number

+ References

No definition available.

+ Details

Name:	ango_LossContingencyReexaminationsNumber
Namespace Prefix:	ango_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of lawsuits.

+ References

No definition available.

+ Details

Name:	ango_NumberOfLawsuits
Namespace Prefix:	ango_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of patents asserted for reexamination.

+ References

No definition available.

+ Details

Name:	ango_NumberOfPatentsAssertedForReexamination
Namespace Prefix:	ango_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Partial judgment granted in litigation matter.

+ References

No definition available.

+ Details

Name:	ango_PartialJudgmentGranted
Namespace Prefix:	ango_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Purchase Obligation, Due After Fourth Year

+ References

No definition available.

+ Details

Name:	ango_PurchaseObligationDueAfterFourthYear
Namespace Prefix:	ango_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

+ Details

Name:	us-gaap_LeaseAndRentalExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of judgment or settlement awarded to (against) the entity in respect of litigation.

+ References

No definition available.

+ Details

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

X

- Definition

Number of claims dismissed.

+ References

No definition available.

+ Details

Name:	us-gaap_LossContingencyClaimsDismissedNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The total number of new claims filed pertaining to a loss contingency during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

+ Details

Name:	us-gaap_LossContingencyNewClaimsFiledNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of another entity's patents that the entity has allegedly infringed.

+ References

No definition available.

+ Details

Name:	us-gaap_LossContingencyPatentsAllegedlyInfringedNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of pending claims pertaining to a loss contingency.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

+ Details

Name:	us-gaap_LossContingencyPendingClaimsNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

+ References

No definition available.

+ Details

Name:	us-gaap_PurchaseObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_LitigationCaseAxis=ango_BiolitecMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LitigationCaseAxis=ango_TheUtahActionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LitigationCaseAxis=ango_TheDelawareActionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LitigationStatusAxis=us-gaap_PendingLitigationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=ango_C.R.BardInc.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: