Aggregate Fair Value, Other Equity Instruments Issued, Maximum Value

No definition available.

Name:	gb_AggregateFairValueOtherEquityInstrumentsIssuedMaximumValue
Namespace Prefix:	gb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Expected Volatility, Other Equity Instruments Granted

+ References

No definition available.

+ Details

Name:	gb_ExpectedVolatilityOtherEquityInstrumentsGranted
Namespace Prefix:	gb_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Nominal Value, Other Equity Instruments Issued

+ References

No definition available.

+ Details

Name:	gb_NominalValueOtherEquityInstrumentsIssued
Namespace Prefix:	gb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Number Of Tranches, Share Option, Share-Based Payment Arrangement

+ References

No definition available.

+ Details

Name:	gb_NumberOfTranchesShareOptionShareBasedPaymentArrangement
Namespace Prefix:	gb_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Other Equity Instruments Outstanding, Interest Rate

+ References

No definition available.

+ Details

Name:	gb_OtherEquityInstrumentsOutstandingInterestRate
Namespace Prefix:	gb_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Par Value, Other Equity Instruments Issued

+ References

No definition available.

+ Details

Name:	gb_ParValueOtherEquityInstrumentsIssued
Namespace Prefix:	gb_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Vesting Requirements For Share-Based Payment Arrangement, Vesting Percentage

+ References

No definition available.

+ Details

Name:	gb_VestingRequirementsForShareBasedPaymentArrangementVestingPercentage
Namespace Prefix:	gb_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Vesting Requirements For Share-Based Payment Arrangement, Vesting Percentage Based On Market Performance

+ References

No definition available.

+ Details

Name:	gb_VestingRequirementsForShareBasedPaymentArrangementVestingPercentageBasedOnMarketPerformance
Namespace Prefix:	gb_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Vesting Requirements For Share-Based Payment Arrangement, Vesting Percentage Based On Non-Market Performance Conditions

+ References

No definition available.

+ Details

Name:	gb_VestingRequirementsForShareBasedPaymentArrangementVestingPercentageBasedOnNonMarketPerformanceConditions
Namespace Prefix:	gb_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Vesting Requirements For Share-Based Payment Arrangement, Vesting Percentage Based On Non-Market Performance Conditions, Adjusted Net Income Compound Annual Growth Rate

+ References

No definition available.

+ Details

Name:	gb_VestingRequirementsForShareBasedPaymentArrangementVestingPercentageBasedOnNonMarketPerformanceConditionsAdjustedNetIncomeCompoundAnnualGrowthRate
Namespace Prefix:	gb_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Vesting Requirements For Share-Based Payment Arrangement, Vesting Percentage Based On Service Condition

+ References

No definition available.

+ Details

Name:	gb_VestingRequirementsForShareBasedPaymentArrangementVestingPercentageBasedOnServiceCondition
Namespace Prefix:	gb_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted Average Option Value, Share Options Granted

+ References

No definition available.

+ Details

Name:	gb_WeightedAverageOptionValueShareOptionsGranted
Namespace Prefix:	gb_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted Average Share Price, Other Equity Instruments Granted

+ References

No definition available.

+ Details

Name:	gb_WeightedAverageSharePriceOtherEquityInstrumentsGranted
Namespace Prefix:	gb_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

The expected volatility of the share price used to calculate the fair value of the share options granted. Expected volatility is a measure of the amount by which a price is expected to fluctuate during a period. The measure of volatility used in option pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2020-01-01
-Paragraph 47
-Subparagraph a
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_47_a_i&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The implied yield currently available on zero-coupon government issues of the country in whose currency the exercise price for share options granted is expressed, with a remaining term equal to the expected term of the option being valued (based on the option's remaining contractual life and taking into account the effects of expected early exercise). [Refer: Government [member]]

+ References

+ Details

Name:	ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of expense arising from cash-settled share-based payment transactions in which the goods or services received did not qualify for recognition as assets. [Refer: Expense from share-based payment transactions in which goods or services received did not qualify for recognition as assets]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_ExpenseFromCashsettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of expense arising from equity-settled share-based payment transactions in which the goods or services received did not qualify for recognition as assets. [Refer: Expense from share-based payment transactions in which goods or services received did not qualify for recognition as assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2020-01-01
-Paragraph 51
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_51_a&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_ExpenseFromEquitysettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of liabilities arising from share-based payment transactions. Share-based payment transactions are transactions in which the entity: (a) receives goods or services from the supplier of those goods or services (including an employee) in a share-based payment arrangement; or (b) incurs an obligation to settle the transaction with the supplier in a share-based payment arrangement when another group entity receives those goods or services. [Refer: Share-based payment arrangements [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2020-01-01
-Paragraph 51
-Subparagraph b
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_51_b_i&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2020-01-01
-Paragraph 47
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_47_b&doctype=Standard
-URIDate 2020-01-01

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 2
-IssueDate 2020-01-01
-Paragraph 45
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of share options granted in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2020-01-01
-Paragraph 45
-Subparagraph b
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_b_ii&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- Definition

The weighted average exercise price of share options granted in a share-based payment arrangement. [Refer: Weighted average [member]]

+ References

+ Details

Name:	ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019
Namespace Prefix:	ifrs-full_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

The weighted average share price used as input to the option pricing model to calculate the fair value of share options granted. [Refer: Option pricing model [member]; Weighted average [member]]

+ References

+ Details

Name:	ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019
Namespace Prefix:	ifrs-full_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	gb_PlanNameAxis=gb_ManagementEquityPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	gb_PlanNameAxis=gb_GlobalBlueManagementIncentivePlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=gb_NonConvertiblePreferredEquityCertificatesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	gb_PlanNameAxis=gb_GlobalBlueManagementCoSCANCPECsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=gb_RestrictedShareAwardsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Share-based Payment and Non-Convertible Equity Certificates - Narrative (Details) € / shares in Units, € in Thousands, shares in Thousands										12 Months Ended
	Aug. 15, 2024	Jun. 24, 2024	Aug. 15, 2023	Aug. 15, 2022	Jun. 24, 2022	Feb. 15, 2022	Nov. 12, 2020 share numberOfTranches $ / shares	Aug. 28, 2020 EUR (€)	Jun. 25, 2019 share $ / shares	Mar. 31, 2021 EUR (€) shares	Mar. 31, 2020 EUR (€) shares	Mar. 31, 2019 EUR (€) shares	Mar. 31, 2018 EUR (€)	Aug. 01, 2012 EUR (€) € / shares
Disclosure of movement in the share-based payment liability [Line Items]
Non-convertible equity certificates										€ 0	€ 4,891	€ 4,494
Weighted average share price, share options granted (in USD per share) \| $ / shares							$ 10.34
Expected volatility, share options granted (in percentage)							50.00%
Risk free interest rate, share options granted (in percentage)							0.50%
Number of tranches of options \| numberOfTranches							4
Expense from equity-settled share-based payment transactions										1,200
Management Equity Plan
Disclosure of movement in the share-based payment liability [Line Items]
Incremental fair value granted, modified share-based payment arrangements								€ 58,744
Global Blue Management Incentive Plan
Disclosure of movement in the share-based payment liability [Line Items]
Number of share options granted in share-based payment arrangement (in shares) \| share							7,970,000		486,527
Weighted average exercise price of share options granted in share-based payment arrangement (in USD per share) \| $ / shares									$ 10.59
Weighted average share price, share options granted (in USD per share) \| $ / shares									$ 10.59
Expected volatility, share options granted (in percentage)									25.00%
Risk free interest rate, share options granted (in percentage)									1.91%
Option value (in USD per share) \| $ / shares									$ 1.03
Forecast \| Global Blue Management Incentive Plan
Disclosure of movement in the share-based payment liability [Line Items]
Vesting percentage		50.00%			50.00%
Non-Convertible Preferred Equity Certificates \| Global Blue Management & Co S.C.A NC-PECs
Disclosure of movement in the share-based payment liability [Line Items]
Par value of NC-PECs (in euro per share) \| € / shares														€ 1.00
Fair value of NC-PECs at measurement date, maximum amount														€ 500,000
Nominal value of NC-PECs, including accrued interest										€ 0	1,920	€ 1,750	€ 1,591
Interest rate of the NC-PECs (in percentage)														10.00%
Non-convertible equity certificates											€ 3,000
Number of other equity instruments granted in share-based payment arrangement \| shares										0	0	0
Restricted Share Awards \| Global Blue Management Incentive Plan
Disclosure of movement in the share-based payment liability [Line Items]
Restricted share grants, vesting based on service condition (percentage)							50.00%
Restricted share grants, vesting based on market performance condition (percentage)							25.00%
Restricted share grants, vesting based on non-market performance condition (percentage)							25.00%
Weight of share grants (in percentage)							50.00%
Number of other equity instruments granted in share-based payment arrangement \| share							475,491
Share price at grant date, restricted shares (in USD per share) \| $ / shares							$ 10,340,000
Expected volatility, restricted shares granted (in percentage)							50.00%
Restricted Share Awards \| Forecast \| Global Blue Management Incentive Plan
Disclosure of movement in the share-based payment liability [Line Items]
Vesting percentage	25.00%		25.00%	12.50%		37.50%