List of Global Blue entities - Disclosure of interests in subsidiaries (Details)		12 Months Ended
	Sep. 28, 2018	Mar. 31, 2021	Mar. 31, 2020
Global Blue Argentina S.A.
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		99.99%	99.85%
Global Blue Austria GmbH
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Service Company Austria GmbH
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
DEV Digital Export Validation GmbH
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	0.00%
Global Blue Australia Pty Ltd
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Currency Choice Australia Pty Ltd
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Currency Select Pty Limited
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Belgium
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
ZigZag Global EOOD
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	0.00%
Global Blue Bahamas Ltd
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Schweiz AG
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue SA
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Group AG
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	0.00%
Refund Suisse AG
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Cross Border SA
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary	70.00%	70.00%	69.90%
Global Blue Group II GmbH
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	0.00%
Global Blue Currency Choice Schweiz AG
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Commercial Consulting (Shanghai) Co. Ltd
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Commercial Consulting (Beijing) Co Ltd
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Cyprus Ltd
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Czech Republic, s.r.o.
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Deutschland GmbH
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue New Holdings Germany GmbH
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
RFND Digital GmbH
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Danmark A/S
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Eesti OU
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
G. Blue España SA
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue España SA
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Acquisition España S.A.U.
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Finland Oy
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Administration Center North Oy
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue France
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Holding
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue (UK) Ltd
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Service Company UK Limited
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue New Holdings UK Ltd
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
ZZ Global Blue Holding Limited
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	0.00%
ZigZag
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	0.00%
Global Blue Marketing Services Limited
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Estera Trust Limited
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	100.00%
Global Blue Hellas SA
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
First Currency Choice Hong Kong Limited
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Croatia, trgovina i turizam d.o.o.
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Tax Free Ireland Limited
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue a Islandi hf
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Italia S.r.l.
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Service Company Italia SRL
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Currency Choice Italia S.r.l.
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Japan Co., Ltd.
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue TFS Japan Co Ltd
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		51.00%	50.93%
Global Blue Korea Co Ltd
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Currency Choice Korea Co Ltd
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Holding Limited
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	100.00%
Global Blue Kazakhstan LLP
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Lebanon SAL
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		61.00%	60.91%
UAB Global Blue Lietuva
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Luxembourg S.A.
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Finance S.a.r.l.
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Midco S.a.r.l.
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Management & Co S.C.A.
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Investment & Co S.C.A.
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	100.00%
Global Blue Investment GP
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	100.00%
Global Blue Latvija SIA
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Maroc SA
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Malaysia Snd. Bhd.
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Holland B.V.
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Holding B.V.
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Acquisition B.V.
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Russia Holdings B.V.
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		51.00%	50.93%
Global Blue Norge AS
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Currency Select New Zealand Pty Ltd
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Polska Sp. Zo.o.
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Refund Portugal - Prestacao de Sevicos Fiscais, Lda.
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue d.o.o. Beograd - Novi Beograd
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Russia AO
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		51.00%	50.93%
Global Blue Sverige AB
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Sweden Holdings AB
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Service AB
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Holdings AB
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Currency Choice Service Europe AB
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Singapore Pte Ltd
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Service Company Singapore Pte Ltd
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Currency Choice Singapore Pte Ltd
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue trgovina in turizem d.o.o.
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Slovakia s.r.o.
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue (Thailand) Co. Limited
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	99.86%
Global Blue Turistik Hizmetler A.Ş.
Disclosure of subsidiaries [line items]
Proportion of ownership interest in associate		60.00%	59.92%
Far Point Acquisition Corporation
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	0.00%
ZigZag Global LLC
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		100.00%	0.00%
Global Blue Argentina S.A. Sucursal Uruguay
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		99.99%	99.86%