Performance obligations to be recognized as revenue within next twelve months.

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Amount of right to consideration in exchange for good or service transferred to customer withheld under retainage provision in long-term contract or program when right to consideration is unconditional, to be collected after 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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Amount of right to consideration in exchange for good or service transferred to customer withheld under retainage provision in long-term contract or program when right to consideration is unconditional, to be collected 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).

+ References

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- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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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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Losses recognized in the current period on contracts which are expected to generate losses, which are probable and can be reasonably estimated, in a future period.

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

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Amount of cost incurred on construction contract for unapproved change order, claim, or similar item subject to uncertainty.

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Revenue - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Revenue - Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Jun. 30, 2023
Disaggregation of Revenue [Line Items]
Remaining performance obligations yet to be satisfied		$ 749.4
Performance obligations to be recognized as revenue within next twelve months		437.1
Contract with customer, revenue recognized		78.3
Retentions to be collected within one year		14.7		$ 16.3
Contract retentions collectible beyond one year		17.6		10.0
Unapproved change orders and claims		$ 11.8		$ 9.7
Process and Industrial Facilities Segment
Disaggregation of Revenue [Line Items]
Loss on contracts	$ 9.6		$ 9.4