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Revenue Recognition - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($) distributor segment	Dec. 31, 2024 USD ($)
Disaggregation of Revenue [Line Items]
Customer deposits liability	$ 34.2	$ 54.4
Allowance for doubtful accounts	$ 14.1	$ 12.9
Number of reporting segments | segment	2
Water Heaters | North America
Disaggregation of Revenue [Line Items]
Number of wholesale distributors | distributor	800
Minimum
Disaggregation of Revenue [Line Items]
Payment terms	30 days
Maximum
Disaggregation of Revenue [Line Items]
Payment terms	90 days

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