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Revenue Recognition - Narrative (Details) $ in Millions	9 Months Ended
	Sep. 30, 2025 USD ($) distributor segment	Dec. 31, 2024 USD ($)
Disaggregation of Revenue [Line Items]
Customer deposits liability	$ 28.6	$ 54.4
Allowance for credit losses	$ 15.2	$ 12.9
Number of reporting segments | segment	2
Water Heaters | North America
Disaggregation of Revenue [Line Items]
Number of wholesale distributors (more than) | distributor	900
Minimum
Disaggregation of Revenue [Line Items]
Payment terms	30 days
Maximum
Disaggregation of Revenue [Line Items]
Payment terms	90 days

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