Provisions and contingent liabilities (Details) - EUR (€) € in Thousands	12 Months Ended
Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Reconciliation of changes in other provisions [abstract]
Provisions at beginning of period	€ 2,202	€ 2,235	€ 1,746
Acquisition of subsidiaries	9	0	0
Additional provisions	86	1,311	511
Unwinding of discount	33	26	26
Reversals	(9)	(1,360)	(50)
Exchange differences	(8)	(10)	2
Provisions at end of period	2,313	2,202	2,235
Current	0	0	0
Non-current	2,313	2,202	2,235
Total Provisions	€ 2,313	€ 2,202	€ 2,235

Increase Through Unwinding Of Discount, Other Provisions

No definition available.

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- Definition

The increase in other provisions resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Other provisions]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The amount of additional other provisions made. [Refer: Other provisions]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The increase (decrease) in other provisions resulting from foreign currency exchange rate changes on provisions measured in a currency different from the entity's presentation currency. [Refer: Other provisions]

+ References

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- Definition

The amount of non-current provisions other than provisions for employee benefits. [Refer: Non-current provisions]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The amount of provisions other than provisions for employee benefits. [Refer: Provisions]

+ References

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- Definition

The amount of current provisions other than provisions for employee benefits. [Refer: Provisions]

+ References

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- References

No definition available.

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- Definition

The amount reversed for unused other provisions. [Refer: Other provisions]

+ References

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