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Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).

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Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in remainder of current fiscal year.

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No definition available.

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Commitment and Contingencies (Details) - USD ($) $ in Millions	Jun. 30, 2024	Mar. 31, 2018
Discontinued Operations, Disposed of by Sale \| Offshore Division \| Initial Bonds
Loss Contingencies [Line Items]
Aggregate amount of performance bonds		$ 46.8
Discontinued Operations, Disposed of by Sale \| Offshore Division \| Interim Replacement Bonds
Loss Contingencies [Line Items]
Aggregate amount of performance bonds		$ 47.0
Discontinued Operations \| Minimum
Loss Contingencies [Line Items]
Estimated amount of potential loss liability	$ 15.0
Discontinued Operations \| Maximum
Loss Contingencies [Line Items]
Estimated amount of potential loss liability	18.0
Supply Agreements
Loss Contingencies [Line Items]
Purchase obligation	57.7
Purchase obligation, remainder of 2024	10.7
Purchase obligation, 2025	21.9
Purchase obligation, 2026	15.6
Purchase obligation, 2027	7.2
Purchase obligation, 2028	2.3
Long-lead Infrastructure
Loss Contingencies [Line Items]
Purchase obligation	$ 5.6