Commitments and Contingencies - Remaining Purchase Commitments and Estimated Capacity Fee Liability Requirements (Detail) € in Millions	Mar. 31, 2024 EUR (€)
Purchase Obligation Fiscal Year Maturity [Abstract]
Remainder of Remaining Purchase Commitments, 2024	€ 2.3
Remaining Purchase Commitments, 2025	0.0
Remaining Purchase Commitments, 2026	4.2
Remaining Purchase Commitments, 2027	6.0
Remaining Purchase Commitments, 2028	6.0
Remaining Purchase Commitments, 2029	6.0
Remaining Purchase Commitments, 2030	6.0
Remaining Purchase Commitments, 2031	8.0
Remaining Purchase Commitments, 2032	8.0
Remaining Purchase Commitments, 2033	8.0
Remaining Purchase Commitments, 2034	4.4
Remaining Purchase Commitments, Total	58.9
Estimated Capacity Fees, 2025	1.5
Estimated Capacity Fees, 2026	2.0
Estimated Capacity Fees, 2027	1.0
Estimated Capacity Fees, 2028	1.0
Estimated Capacity Fees, 2029	1.0
Estimated Capacity Fees, 2030	1.0
Estimated Capacity Fees, 2031	0.5
Estimated Capacity Fees, 2032	0.5
Estimated Capacity Fees, 2033	0.5
Estimated Capacity Fees, 2034	0.5
Estimated Capacity Fees, Total	€ 9.5

Estimated capacity fees.

No definition available.

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- Definition

Estimated capacity fees due in eighth year.

+ References

No definition available.

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- Definition

Estimated capacity fees due in fifth year.

+ References

No definition available.

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- Definition

Estimated capacity fees due in fourth year.

+ References

No definition available.

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- Definition

Estimated capacity fees due in next twelve months.

+ References

No definition available.

+ Details

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- Definition

Estimated capacity fees due in ninth year.

+ References

No definition available.

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- Definition

Estimated capacity fees due in second year.

+ References

No definition available.

+ Details

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- Definition

Estimated capacity fees due in seventh year.

+ References

No definition available.

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- Definition

Estimated capacity fees due in sixth year.

+ References

No definition available.

+ Details

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- Definition

Estimated capacity fees due in tenth year.

+ References

No definition available.

+ Details

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- Definition

Estimated capacity fees due in third year.

+ References

No definition available.

+ Details

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- Definition

Purchase obligation due in eighth year.

+ References

No definition available.

+ Details

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- Definition

Purchase obligation due in nineth year.

+ References

No definition available.

+ Details

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- Definition

Purchase obligation due in seventh year.

+ References

No definition available.

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- Definition

Purchase obligation due in sixth year.

+ References

No definition available.

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- Definition

Purchase obligation due in tenth year.

+ References

No definition available.

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- Definition

Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

+ References

No definition available.

+ Details

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- Definition

Amount of purchase arrangement to be paid in fifth fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

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- Definition

Amount of purchase arrangement to be paid in fourth fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

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- Definition

Amount of purchase arrangement to be paid in next fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

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- Definition

Amount of purchase arrangement to be paid in second fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

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- Definition

Amount of purchase arrangement to be paid in third fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

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- References

No definition available.

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- Definition

Amount of purchase arrangement to be paid in remainder of current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment.

+ References

No definition available.

+ Details

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