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Goodwill and Intangibles - Intangibles (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Sep. 28, 2025 | Sep. 29, 2024 | Sep. 28, 2025 | Sep. 29, 2024 | Jan. 02, 2025 | Dec. 31, 2024 | Jan. 01, 2024
Intangible assets subject to amortization |  |  |  |  |  |  |
Gross Carrying Amount | $ 353.9 |  | $ 353.9 |  |  | $ 331.8 |
Accumulated Amortization | (182.1) |  | (182.1) |  |  | (167.2) |
Net Carrying Amount | 171.8 |  | 171.8 |  |  | 164.6 |
Indefinite-lived intangible assets |  |  |  |  |  |  |
Indefinite-lived intangible assets | 75.0 |  | 75.0 |  |  | 70.4 |
Intangible assets |  |  |  |  |  |  |
Gross Carrying Amount | 428.9 |  | 428.9 |  |  | 402.2 |
Net Carrying Amount | 246.8 |  | 246.8 |  |  | 235.0 |
Aggregate amortization expense for amortized intangible assets | 5.1 | $ 5.1 | 15.0 | $ 14.9 |  |  |
Patents |  |  |  |  |  |  |
Intangible assets subject to amortization |  |  |  |  |  |  |
Gross Carrying Amount | 5.0 |  | 5.0 |  |  | 5.0 |
Accumulated Amortization | (5.0) |  | (5.0) |  |  | (5.0) |
Customer relationships |  |  |  |  |  |  |
Intangible assets subject to amortization |  |  |  |  |  |  |
Gross Carrying Amount | 271.6 |  | 271.6 |  |  | 251.9 |
Accumulated Amortization | (113.2) |  | (113.2) |  |  | (100.6) |
Net Carrying Amount | 158.4 |  | 158.4 |  |  | 151.3 |
Technology |  |  |  |  |  |  |
Intangible assets subject to amortization |  |  |  |  |  |  |
Gross Carrying Amount | 55.5 |  | 55.5 |  |  | 53.2 |
Accumulated Amortization | (49.4) |  | (49.4) |  |  | (47.8) |
Net Carrying Amount | 6.1 |  | 6.1 |  |  | 5.4 |
Trade names |  |  |  |  |  |  |
Intangible assets subject to amortization |  |  |  |  |  |  |
Gross Carrying Amount | 20.7 |  | 20.7 |  |  | 20.6 |
Accumulated Amortization | (13.7) |  | (13.7) |  |  | (13.0) |
Net Carrying Amount | 7.0 |  | 7.0 |  |  | 7.6 |
Other |  |  |  |  |  |  |
Intangible assets subject to amortization |  |  |  |  |  |  |
Gross Carrying Amount | 1.1 |  | 1.1 |  |  | 1.1 |
Accumulated Amortization | (0.8) |  | (0.8) |  |  | (0.8) |
Net Carrying Amount | $ 0.3 |  | 0.3 |  |  | 0.3 |
Josam Industries, LLC |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  |
Purchase price allocated to intangible assets |  |  |  |  |  | 39.4 |
Intangible assets finite lived |  |  |  |  |  |  | $ 39.4
Josam Industries, LLC | Customer relationships |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  |
Intangible assets finite lived |  |  |  |  |  | $ 33.5 | $ 33.5
Estimated useful lives |  |  |  |  |  | 15 years | 15 years
Josam Industries, LLC | Trade names |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  |
Intangible assets In-definite lived |  |  |  |  |  | $ 5.9 |
I-CON |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  |
Intangible assets finite lived |  |  |  |  | $ 20.9 |  |
I-CON | Customer relationships |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  |
Intangible assets finite lived |  |  |  |  | $ 18.2 |  |
Estimated useful lives |  |  |  |  | 12 years |  |
EasyWater and I-CON |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  |
Intangible assets acquired |  |  | 24.7 |  |  |  |
EasyWater and I-CON | Trade names |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  |
Intangible assets acquired |  |  | 2.7 |  |  |  |
EasyWater and I-CON | Customer relationships |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  |
Finite-lived Intangible Assets Acquired |  |  | 19.7 |  |  |  |
EasyWater and I-CON | Technology |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  |
Finite-lived Intangible Assets Acquired |  |  | $ 2.3 |  |  |  |
Estimated useful lives |  |  | 5 years |  |  |  |
EasyWater and I-CON | Minimum | Customer relationships |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  |
Estimated useful lives |  |  | 10 years |  |  |  |
EasyWater and I-CON | Maximum | Customer relationships |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  |
Estimated useful lives |  |  | 12 years |  |  |  |

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