Company cost share portion

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- Definition

Contract Estimated Fee

+ References

No definition available.

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- Definition

Contract Minimum Fee

+ References

No definition available.

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- Definition

Contract Value

+ References

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- Definition

Cost obligated to DOE

+ References

No definition available.

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- Definition

Deferred Revenue and Advances from Customers - Current and Noncurrent

+ References

No definition available.

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- Definition

Government cost share, percentage

+ References

No definition available.

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- Definition

Anticipated government cost share portion of new contract

+ References

No definition available.

+ Details

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- Definition

Total Amount Program Cost

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

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- Definition

Amount of revenue recognized that was previously reported as deferred or unearned revenue.

+ References

No definition available.

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- Definition

Cash receipts from customers during the current period which are usually for sales of goods and services.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 25
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-25

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- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (a)
-SubTopic 10
-Topic 606
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-13

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Revenue and Contracts with Customers - Narrative (Details) - USD ($) $ in Millions	6 Months Ended		31 Months Ended	78 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2025	Jun. 17, 2025	Dec. 31, 2024	Nov. 01, 2023	Sep. 28, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Government cost share, percentage	80.00%		80.00%	80.00%
Deferred revenue, revenue recognized	$ 68.5	$ 64.7
Revenue, remaining performance obligation, amount	700.0		$ 700.0	$ 700.0		$ 800.0
LEU Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenue, remaining performance obligation, amount	600.0		600.0	600.0		700.0
Deferred Revenue and Advances from Customers - Current and Noncurrent	154.8		154.8	154.8		216.4
Technical Solutions Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenue, remaining performance obligation, amount	134.8		134.8	134.8		$ 28.0
Phase 2
Accounts, Notes, Loans and Financing Receivable [Line Items]
Contract Value	169.1		169.1	169.1			$ 90.0
Option 1a
Accounts, Notes, Loans and Financing Receivable [Line Items]
Contract Value	108.0		108.0	108.0
Contract Minimum Fee					$ 99.3
Contract Estimated Fee					8.7
Option 1b
Accounts, Notes, Loans and Financing Receivable [Line Items]
Contract Minimum Fee					163.5
Contract Estimated Fee					$ 15.2
HALEU Ops Contract
Accounts, Notes, Loans and Financing Receivable [Line Items]
Cost obligated to DOE			314.6
Total Amount Program Cost			315.0
Contract Value	150.0		150.0	150.0
HALEU Ops Contract \| Phase Scope
Accounts, Notes, Loans and Financing Receivable [Line Items]
Contract Value	8.5		8.5	8.5				$ 5.8
Government [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from Customers				173.0
Government [Member] \| HALEU Demo Contract
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from Customers				171.2
Government [Member] \| HALEU Ops Contract
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from Customers			174.7
Maximum [Member] \| HALEU Ops Contract \| Phase 1
Accounts, Notes, Loans and Financing Receivable [Line Items]
Government cost share portion	30.0		30.0	30.0
Company cost share portion	$ 30.0		$ 30.0	$ 30.0