XML 39 R42.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Basis of Presentation, Business Description and Summary of Significant Accounting Policies (Details 1) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
May 31, 2014
Fair Value Measurements using Significant Unobservable Inputs |
Balance, May 31, 2013, Financial Assets | $ 1,850 us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
Balance, May 31, 2013, Financial Liabilities | 75,049 us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
Total gains or losses (realized/unrealized): |
Included in earnings, Financial Assets | 0 us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
Earnings revaluation gain - Included in Earnings, Financial Liabilities | (5,084)ango_FairValueLiabilitiesMeasuredonRecurringBasisGainIncludedinEarnings
Earnings revaluation expense - Included in Earnings, Financial Liabilities | 3,276 ango_FairValueLiabilitiesMeasuredonRecurringBasisLossIncludedinEarnings
Included in other comprehensive income, Financial Assets | (16)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
Included in other comprehensive income, Financial Liabilities | 0 ango_FairValueLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInOtherComprehensiveIncome
Purchases, issuances and settlements, Financial Assets | (25)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements
Purchases, issuances and settlements, Financial Liabilities | (10,880)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchasesSalesIssuancesSettlements
Transfers in and/or (out) of Level 3, Financial Assets | 0 us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet
Transfers in and/or (out) of Level 3, Financial Liabilities | 0 us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet
Fair Value Measurement with Unobservable Inputs Reconciliation Recurring Basis Liability Contingent Consideration Earn Out Asset | 0 ango_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityContingentConsiderationEarnOutAsset
Contingent liability for acquisition earn out, Financial Liabilities | 4,970 ango_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityContingentConsiderationEarnOutLiability
Balance, May 31, 2014, Financial Assets | 1,809 us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
Balance, May 31, 2014, Financial Liabilities | $ 67,331 us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue

X
- Definition Fair Value Liabilities Measured on Recurring Basis Gain Included in Earnings + References No definition available. + Details
Name: | ango_FairValueLiabilitiesMeasuredonRecurringBasisGainIncludedinEarnings
Namespace Prefix: | ango_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair value liabilities measured on recurring basis gain loss included in other comprehensive income + References No definition available. + Details
Name: | ango_FairValueLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInOtherComprehensiveIncome
Namespace Prefix: | ango_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair Value Liabilities Measured on Recurring Basis Loss Included in Earnings + References No definition available. + Details
Name: | ango_FairValueLiabilitiesMeasuredonRecurringBasisLossIncludedinEarnings
Namespace Prefix: | ango_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ango_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract
Namespace Prefix: | ango_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ango_FairValueMeasurementWithUnobservableInputsRealizedAndUnrealizedGainLossesAbstract
Namespace Prefix: | ango_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair Value Measurement with Unobservable Inputs Reconciliation Recurring Basis Liability Contingent Consideration Earn Out Asset + References No definition available. + Details
Name: | ango_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityContingentConsiderationEarnOutAsset
Namespace Prefix: | ango_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value measurement with unobservable inputs reconciliation recurring basis liability contingent consideration earn out liability. + References No definition available. + Details
Name: | ango_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityContingentConsiderationEarnOutLiability
Namespace Prefix: | ango_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of gain (loss) recognized in the income statement for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of gain (loss) recognized in other comprehensive income (loss) for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of purchases, (sales), issuances and (settlements) of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph c -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of transfer of financial instrument classified as an asset into (out of) level 3 of the fair value hierarchy. + References No definition available. + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of purchases, (sales), issuances and (settlements) of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph c -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchasesSalesIssuancesSettlements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of transfers of financial instrument classified as a liability into (out of) level 3 of the fair value hierarchy. + References No definition available. + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant