ACQUISITIONS AND DISCONTINUED OPERATIONS - Narrative (Details) R in Millions					3 Months Ended				9 Months Ended
	Apr. 15, 2025 USD ($)	Jan. 27, 2025 USD ($)	Feb. 07, 2024 USD ($)	Sep. 05, 2023 project	Sep. 27, 2025 USD ($)	Sep. 28, 2024 USD ($)	Sep. 28, 2024 ZAR (R)	Dec. 31, 2021 project	Sep. 27, 2025 USD ($)	Sep. 28, 2024 USD ($)	Dec. 31, 2024 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business acquisition, net of cash acquired									$ 445,300,000	$ 292,000,000.0
Net income (loss)					$ 62,700,000	$ 50,200,000			166,100,000	143,400,000
Intangible amortization					24,600,000	16,600,000			68,900,000	48,200,000
Amortization of deferred compensation plan asset									17,400,000	0
Acquisition-related costs					7,700,000	1,400,000			21,000,000.0	6,300,000
Discontinued Operations | DBT Technologies
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of large power projects | project				2				2
Accounts payable					100,000				100,000		$ 700,000
Cash payments						27,100,000	R 480.9
Discontinued Operations | DBT Technologies | MHI Additional Claims | FX Forward Contracts
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on derivative										2,000,000.0
Sigma & Omega
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Receivables, fair value	$ 9,300,000
Sigma & Omega
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business acquisition, net of cash acquired	143,600,000
Cash acquired	200,000
Intangible assets	77,600,000
Gross amount of receivables acquired	9,600,000
Goodwill, expected tax deductible amount	0
Revenues					20,100,000				35,200,000
Net income (loss)					(300,000)				(700,000)
Intangible amortization					5,000,000.0				9,400,000
Inventory write-down									100,000
Sigma & Omega | Customer relationships and contracts
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Intangible assets	$ 56,300,000
Amortization period	11 years
Sigma & Omega | Customer Backlog
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Intangible assets	$ 8,900,000
Amortization period	1 year
Sigma & Omega | Technology
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Intangible assets	$ 8,500,000
Amortization period	9 years
Sigma & Omega | Trademarks with indefinite lives
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Intangible assets	$ 3,900,000
Amortization period	8 years
Kranze Technology Solutions, Inc
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business acquisition, net of cash acquired		$ 340,000,000.0
Intangible assets		164,500,000
Gross amount of receivables acquired		7,200,000
Revenues					17,300,000				47,400,000
Net income (loss)					(6,600,000)				(15,500,000)
Intangible amortization					5,500,000				14,700,000
Inventory write-down					500,000				1,300,000
Deferred compensation plan assets		46,500,000
Adjustment, consideration transferred					(2,400,000)
Amortization of deferred compensation plan asset					6,500,000				17,400,000
Kranze Technology Solutions, Inc | Other Current Assets
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Deferred compensation plan assets		26,200,000			15,600,000				15,600,000
Kranze Technology Solutions, Inc | Other Noncurrent Assets
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Deferred compensation plan assets		$ 20,300,000			13,500,000				13,500,000
Kranze Technology Solutions, Inc | Retention Agreements
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Amortization of deferred compensation plan asset					6,500,000				17,400,000
Kranze Technology Solutions, Inc | Minimum
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Employee retention agreement term		2 years
Kranze Technology Solutions, Inc | Maximum
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Employee retention agreement term		8 years
Kranze Technology Solutions, Inc | Customer relationships and contracts
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Intangible assets		$ 70,700,000
Amortization period		15 years
Kranze Technology Solutions, Inc | Customer Backlog
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Intangible assets		$ 7,300,000
Amortization period		2 years
Kranze Technology Solutions, Inc | Technology
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Intangible assets		$ 79,800,000
Amortization period		12 years
Kranze Technology Solutions, Inc | Trademarks with indefinite lives
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Intangible assets		$ 6,700,000
Amortization period		9 years
Ingénia Technologies Inc.
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business acquisition, net of cash acquired			$ 292,000,000.0
Cash acquired			1,500,000
Intangible assets			97,900,000
Gross amount of receivables acquired			16,100,000
Goodwill, expected tax deductible amount			0
Working capital acquired from acquisition						2,100,000
Acquisition-related costs						$ 900,000				$ 4,800,000
Ingénia Technologies Inc. | Customer relationships and contracts
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Intangible assets			$ 23,500,000
Amortization period			7 years
Ingénia Technologies Inc. | Customer Backlog
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Intangible assets			$ 13,800,000
Amortization period			1 year
Ingénia Technologies Inc. | Technology
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Intangible assets			$ 46,700,000
Amortization period			12 years
Ingénia Technologies Inc. | Trademarks with indefinite lives
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Intangible assets			$ 13,900,000
Amortization period			8 years
Ingénia Technologies Inc., Kranze Technology Solutions, Inc. and Sigma & Omega
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Acquisition-related costs					$ 7,400,000				23,000,000.0
HVAC reportable segment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business acquisition, net of cash acquired									$ 8,200,000