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GOODWILL AND OTHER INTANGIBLE ASSETS - Narrative (Details) - USD ($) $ in Millions	Jun. 27, 2026	Feb. 06, 2026	Jan. 20, 2026	Dec. 31, 2025	Apr. 15, 2025	Jan. 27, 2025
Intangible Asset, Finite-Lived [Line Items]
Estimated annual amortization expense, year one	$ 103.0
Estimated annual amortization expense, year two	89.0
Estimated annual amortization expense, year three	87.0
Estimated annual amortization expense, year four	87.0
Estimated annual amortization expense, year five	87.0
Net carrying value	787.7			$ 646.8
Goodwill	1,234.3			1,043.4
Thermolec Ltd
Intangible Asset, Finite-Lived [Line Items]
Goodwill	73.1		$ 75.0
Crawford United Corporation
Intangible Asset, Finite-Lived [Line Items]
Goodwill	131.1	$ 131.1
Kranze Technology Solutions, Inc
Intangible Asset, Finite-Lived [Line Items]
Goodwill	104.4					$ 104.4
Sigma & Omega
Intangible Asset, Finite-Lived [Line Items]
Goodwill	74.3				$ 76.1
Trademarks
Intangible Asset, Finite-Lived [Line Items]
Trademarks	227.6			221.4
Trademarks \| ASPEQ Heating Group
Intangible Asset, Finite-Lived [Line Items]
Trademarks	51.5
Trademarks \| ULC Robotics
Intangible Asset, Finite-Lived [Line Items]
Trademarks	4.7
HVAC
Intangible Asset, Finite-Lived [Line Items]
Net carrying value	567.6
Goodwill	869.7			676.8
HVAC \| Trademarks
Intangible Asset, Finite-Lived [Line Items]
Trademarks	163.6
Detection and Measurement
Intangible Asset, Finite-Lived [Line Items]
Net carrying value	220.1
Goodwill	364.6			$ 366.6
Detection and Measurement \| Trademarks
Intangible Asset, Finite-Lived [Line Items]
Trademarks	$ 64.0