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v3.25.1

Reportable Business Segments (Key Financial Information by Segment) (Details) - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Segment Reporting Information [Line Items] |  |
Net sales | $ 1,072,600,000 | $ 1,047,100,000
Cost of Goods Sold | 744,100,000 | 707,100,000
Selling, general and administrative | 171,300,000 | 170,700,000
Other (income) expense | 1,600,000 | 2,500,000
Segment Profit And Loss | 155,600,000 | 166,800,000
Revenue from transactions with major customers | 0 |
Segment Reporting, Reconciling Item, Corporate Nonsegment |  |
Segment Reporting Information [Line Items] |  |
Net sales | 0 | 0
Cost of Goods Sold | (300,000) | (300,000)
Selling, general and administrative | 12,500,000 | 19,600,000
Other (income) expense | 2,500,000 | 4,200,000
Segment Profit And Loss | (14,700,000) | (23,500,000)
Residential Heating and Cooling [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 721,400,000 | 674,600,000
Residential Heating and Cooling [Member] | Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Net sales | 721,400,000 | 674,600,000
Cost of Goods Sold | 507,200,000 | 466,100,000
Selling, general and administrative | 98,400,000 | 97,500,000
Other (income) expense | (1,000,000.0) | (1,100,000)
Segment Profit And Loss | 116,800,000 | 112,100,000
Commercial Heating and Cooling |  |
Segment Reporting Information [Line Items] |  |
Net sales | 351,200,000 | 372,500,000
Commercial Heating and Cooling | Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Net sales | 351,200,000 | 372,500,000
Cost of Goods Sold | 237,200,000 | 241,300,000
Selling, general and administrative | 60,400,000 | 53,600,000
Other (income) expense | 100,000 | (600,000)
Segment Profit And Loss | $ 53,500,000 | $ 78,200,000

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