v3.26.1
Segment Data (Details)
$ in Millions
3 Months Ended 6 Months Ended
Jul. 04, 2026
USD ($)
Jun. 28, 2025
USD ($)
Jul. 04, 2026
USD ($)
segments
Jun. 28, 2025
USD ($)
Dec. 31, 2025
USD ($)
Segment Reporting [Line Items]          
Net Sales $ 1,557.8 $ 1,447.0 $ 2,935.9 $ 2,668.8  
Operating Income (Loss) 129.4 103.3 179.7 159.6  
Cost of sales, including restructuring 1,123.4 1,079.4 2,161.2 1,998.0  
Operating Expenses 305.0 264.3 595.0 511.2  
Total Assets 5,505.2 5,794.3 5,505.2 5,794.3 $ 5,312.2
Depreciation 54.3 53.0 109.7 103.9  
Amortization 19.3 20.1 38.8 39.3  
Segment Reporting, Long-Lived Asset, Expenditure for Addition     98.6 82.6  
Payments to Acquire Property, Plant, and Equipment 41.4 44.9 98.6 82.6  
Research and Development Expense 50.4 41.8 96.7 80.3  
Net Property 1,199.5 1,238.5 1,199.5 1,238.5 1,207.8
Selling, General and Administrative Expense 251.0 216.6 493.2 424.6  
Restructuring, Exit and Impairment Charges 7.0 8.0 11.8 9.1  
Revenue from Contract with Customer, Excluding Assessed Tax (1,557.8) (1,447.0) $ (2,935.9) (2,668.8)  
Number of Reportable Segments | segments     3    
United States [Member]          
Segment Reporting [Line Items]          
Net Sales 1,035.0 976.4 $ 1,929.8 1,794.5  
Net Property 1,092.1 1,128.5 1,092.1 1,128.5 1,097.9
Revenue from Contract with Customer, Excluding Assessed Tax (1,116.9) (1,062.1) (2,099.6) (1,967.2)  
Non-US          
Segment Reporting [Line Items]          
Net Sales 522.8 470.6 1,006.1 874.3  
Net Property 107.4 110.0 107.4 110.0 109.9
Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServicesSold          
Segment Reporting [Line Items]          
Restructuring, Exit and Impairment Charges 3.4 2.1 6.7 2.8  
Income Statement Location [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense          
Segment Reporting [Line Items]          
Restructuring, Exit and Impairment Charges 3.6 5.9      
Segment Eliminations [Member]          
Segment Reporting [Line Items]          
Revenue from Contract with Customer, Excluding Assessed Tax 94.3 96.9 195.5 197.7  
Propulsion [Member]          
Segment Reporting [Line Items]          
Net Sales 574.1 525.0 1,070.4 938.7  
Operating Income (Loss) 71.2 65.8 105.6 111.9  
Cost of sales, including restructuring 421.2 391.6 804.3 699.5  
Operating Expenses 81.7 67.6 160.5 127.3  
Total Assets 1,440.0 1,469.7 1,440.0 1,469.7 1,381.0
Depreciation 29.4 30.8 60.2 60.6  
Amortization 1.3 2.1 2.8 4.0  
Segment Reporting, Long-Lived Asset, Expenditure for Addition 16.8 21.4 42.5 36.6  
Research and Development Expense 27.5 21.4 51.9 39.9  
Restructuring, Exit and Impairment Charges 0.0 1.2 0.0 1.2  
Revenue from Contract with Customer, Excluding Assessed Tax (574.1) (525.0) (1,070.4) (938.7)  
Propulsion [Member] | United States [Member]          
Segment Reporting [Line Items]          
Revenue from Contract with Customer, Excluding Assessed Tax (389.0) (374.4) (736.3) (674.6)  
Propulsion [Member] | Segment Eliminations [Member]          
Segment Reporting [Line Items]          
Revenue from Contract with Customer, Excluding Assessed Tax 69.9 73.2 144.9 146.5  
Boat [Member]          
Segment Reporting [Line Items]          
Net Sales 424.1 405.4 818.0 777.1  
Operating Income (Loss) 15.3 11.1 21.8 18.8  
Cost of sales, including restructuring 349.1 338.3 671.0 647.0  
Operating Expenses 59.7 56.0 125.2 111.3  
Total Assets 946.2 902.1 946.2 902.1 893.9
Depreciation 16.7 13.7 32.8 26.9  
Amortization 1.5 1.5 3.0 3.0  
Segment Reporting, Long-Lived Asset, Expenditure for Addition 17.0 13.4 37.9 29.3  
Research and Development Expense 7.9 7.5 15.4 14.7  
Restructuring, Exit and Impairment Charges 4.2 1.0 8.8 1.3  
Revenue from Contract with Customer, Excluding Assessed Tax (424.1) (405.4) (818.0) (777.1)  
Boat [Member] | United States [Member]          
Segment Reporting [Line Items]          
Revenue from Contract with Customer, Excluding Assessed Tax (333.8) (327.4) (640.1) (626.3)  
Boat [Member] | Segment Eliminations [Member]          
Segment Reporting [Line Items]          
Revenue from Contract with Customer, Excluding Assessed Tax 0.3 0.2 1.1 0.6  
Corporate Segment [Member]          
Segment Reporting [Line Items]          
Net Sales 0.0 0.0 0.0 0.0  
Operating Income (Loss) (55.9) (37.7) (97.2) (71.5)  
Cost of sales, including restructuring 0.0 0.0 0.0 0.0  
Operating Expenses 55.9 37.7 97.2 71.5  
Total Assets 742.4 660.2 742.4 660.2 651.6
Depreciation 1.3 1.2 2.6 2.4  
Amortization 1.5 1.1 2.9 2.2  
Segment Reporting, Long-Lived Asset, Expenditure for Addition 1.5 1.2 5.8 3.1  
Research and Development Expense 1.1 1.0 2.2 2.0  
Restructuring, Exit and Impairment Charges 2.8 0.3 2.8 0.3  
Engine Parts and Accessories [Member]          
Segment Reporting [Line Items]          
Net Sales 366.1 335.9 654.2 588.8  
Operating Income (Loss) 85.6 71.7 131.2 110.8  
Cost of sales, including restructuring 245.8 233.0 453.8 418.3  
Operating Expenses 34.7 31.2 69.2 59.7  
Total Assets 895.6 886.7 895.6 886.7 861.3
Depreciation 4.2 4.1 8.5 8.1  
Amortization 0.4 0.3 0.6 0.5  
Segment Reporting, Long-Lived Asset, Expenditure for Addition 2.6 4.0 5.9 6.2  
Research and Development Expense 0.1 0.3 0.4 0.7  
Restructuring, Exit and Impairment Charges 0.0 0.4 0.0 0.4  
Revenue from Contract with Customer, Excluding Assessed Tax (366.1) (335.9) (654.2) (588.8)  
Engine Parts and Accessories [Member] | United States [Member]          
Segment Reporting [Line Items]          
Revenue from Contract with Customer, Excluding Assessed Tax (267.6) (246.4) (471.2) (427.4)  
Engine Parts and Accessories [Member] | Segment Eliminations [Member]          
Segment Reporting [Line Items]          
Revenue from Contract with Customer, Excluding Assessed Tax 1.8 1.9 3.5 4.3  
Navico Group          
Segment Reporting [Line Items]          
Net Sales 193.5 180.7 393.3 364.2  
Operating Income (Loss) 13.2 (7.6) 18.3 (10.4)  
Cost of sales, including restructuring 107.3 116.5 232.1 233.2  
Operating Expenses 73.0 71.8 142.9 141.4  
Total Assets 1,481.0 1,875.6 1,481.0 1,875.6 $ 1,524.4
Depreciation 2.7 3.2 5.6 5.9  
Amortization 14.6 15.1 29.5 29.6  
Segment Reporting, Long-Lived Asset, Expenditure for Addition 3.5 4.9 6.5 7.4  
Research and Development Expense 13.8 11.6 26.8 23.0  
Restructuring, Exit and Impairment Charges 0.0 5.1 0.2 5.9  
Revenue from Contract with Customer, Excluding Assessed Tax (193.5) (180.7) (393.3) (364.2)  
Navico Group | United States [Member]          
Segment Reporting [Line Items]          
Revenue from Contract with Customer, Excluding Assessed Tax (126.5) (113.9) (252.0) (238.9)  
Navico Group | Segment Eliminations [Member]          
Segment Reporting [Line Items]          
Revenue from Contract with Customer, Excluding Assessed Tax $ 22.3 $ 21.6 $ 46.0 $ 46.3