The fair value of contingent consideration paid under business combination held by a third party.

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Information relating to customs related letters of credit.

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Information relating to letters of credit pledged as security.

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The amount of reduction in revenue due to waiving of vesting conditions which resulted in immediate vesting of warrants

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The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation.

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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.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease.

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Commitments and Contingencies - Concentrations of Credit Risk (Details) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2023 USD ($) customer	Jun. 30, 2022 customer	Jun. 30, 2023 USD ($) customer	Jun. 30, 2022 USD ($) customer	Dec. 31, 2022 USD ($) customer
Customer Concentration
Federal depository insurance coverage	$ 0.3		$ 0.3
Restricted cash	479.7		479.7		$ 383.7
Letter of credit	409.9		409.9		379.6
Letters of credit on sale/leaseback agreements	387.4		387.4		354.0
Customs related letters of credit	22.5		22.5		25.6
Construction escrow	75.5		75.5		75.5
Joule Processing LLC
Customer Concentration
Consideration held by paying agent.			1.2
Alloy Custom Products, LLC and WesMor Cryogenics, LLC
Customer Concentration
Consideration held by paying agent.			1.2
Collateral Related to Acquisitions \| Frames Holding B.V.
Customer Concentration
Restricted cash as collateral	$ 6.4		$ 6.4		$ 10.8
Accounts receivable \| Customer concentration \| One customers
Customer Concentration
Number of customers \| customer					1
Concentration risk (as a percent)					24.90%
Accounts receivable \| Customer concentration \| Two customers
Customer Concentration
Number of customers \| customer	2		2
Concentration risk (as a percent)			33.70%
Revenues \| Customer concentration \| Two customers
Customer Concentration
Number of customers \| customer	2	2	2	2
Concentration risk (as a percent)	63.00%	38.00%	41.90%	35.50%
Warrants issued with the Amazon, Inc transaction agreement
Customer Concentration
Reduction in revenue			$ 11.5	$ 3.7