The amount of outstanding funds that the entity is obligated to repay.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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The interest rate on borrowings. [Refer: Borrowings]

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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The increase (decrease) in equity as a result of an decrease in a designated risk component that was reasonably possible at the end of the reporting period. Excludes defined benefit plan obligations.

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The increase (decrease) in net interest income and expense due to reasonably possible decrease in designated risk

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The increase (decrease) in net interest income and expense due to reasonably possible increase in designated risk

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The reasonably possible percentage of the decrease in the designated risk component used to determine the value of the financial instrument. Excludes defined benefit plan obligations.

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The reasonably possible percentage of the increase in the designated risk component used to determine the value of the financial instrument. Excludes defined benefit plan obligations.

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Financial instruments - Fair values and risk management - Derivative financial instruments - interest rate risk exposure (Details) € in Thousands, $ in Millions	12 Months Ended
	Mar. 31, 2022 EUR (€)	Mar. 31, 2021 EUR (€)	Mar. 31, 2020 EUR (€)	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)
Disclosure of detailed information about financial instruments [line items]
Borrowings	€ 5,077,000	€ 5,427,000	€ 4,211,000
Interest rate risk
Disclosure of detailed information about financial instruments [line items]
Percentage of Reasonably Possible Increase in Risk Assumption	1.00%			1.00%
Percentage of Reasonably Possible Decrease in Risk Assumption	1.00%			1.00%
Increase (decrease) in net interest income and expense due to reasonably possible increase in designated risk	€ (19,000)	6,000	38,000
Increase (decrease) in net interest income and expense due to reasonably possible decrease in designated risk	33,000	48,000	(38,000)
Increase (Decrease) In Equity Due To Reasonably Possible decrease In Designated Risk Component	0	0	0
Cross currency interest rate swap contract \| USD denominated debt covered by USD to Euro cross currency fixed interest swap \| Cash Flow Hedges
Disclosure of detailed information about financial instruments [line items]
Borrowings \| $				$ 48.1	$ 65.0	$ 82.0
Cross currency interest rate swap contract \| Value of debt after swap \| USD denominated debt covered by USD to Euro cross currency fixed interest swap \| Cash Flow Hedges
Disclosure of detailed information about financial instruments [line items]
Borrowings	€ 38,000	€ 52,000	€ 65,000
Cross currency interest rate swap contract \| Value of debt after swap \| USD denominated debt covered by USD to Euro cross currency fixed interest swap \| Cash Flow Hedges \| Minimum
Disclosure of detailed information about financial instruments [line items]
Borrowings, interest rate	1.54%			1.54%
Cross currency interest rate swap contract \| Value of debt after swap \| USD denominated debt covered by USD to Euro cross currency fixed interest swap \| Cash Flow Hedges \| Maximum
Disclosure of detailed information about financial instruments [line items]
Borrowings, interest rate	1.79%			1.79%