GOODWILL AND OTHER INTANGIBLE ASSETS - Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended				12 Months Ended
	Sep. 27, 2025	Jun. 28, 2025	Sep. 28, 2024	Sep. 30, 2023	Dec. 27, 2025	Dec. 28, 2024	Dec. 30, 2023
Goodwill [Line Items]
Goodwill, Gross						$ 793,229	$ 802,346
Accumulated impairment losses						(169,382)	(169,382)
Carrying amount of goodwill
Balance at the beginning of the period					$ 623,847	632,964
Acquisition measurement period adjustment						331
Divestiture						(1,509)
Impairment	$ 0		$ 0		$ (64,869)
Goodwill, Impairment Loss, Statement of Income or Comprehensive Income [Extensible Enumeration]					Asset Impairment Charges
Foreign currency translation					$ 11,976	(7,939)
Balance at the end of the period					570,954	623,847
Infrastructure
Goodwill [Line Items]
Goodwill, Gross						470,988	478,663
Accumulated impairment losses						(49,382)	(49,382)
Carrying amount of goodwill
Balance at the beginning of the period					421,606	429,281
Divestiture						(1,509)
Impairment				$ (1,915)	(64,869)
Foreign currency translation					10,850	(6,166)
Balance at the end of the period					367,587	421,606
Infrastructure | Solar Reporting Unit
Carrying amount of goodwill
Impairment		$ (41,869)
Infrastructure | Access Systems
Carrying amount of goodwill
Impairment		$ (23,000)
Agriculture
Goodwill [Line Items]
Goodwill, Gross						322,241	323,683
Accumulated impairment losses						(120,000)	$ (120,000)
Carrying amount of goodwill
Balance at the beginning of the period					202,241	203,683
Acquisition measurement period adjustment						331
Impairment				$ (120,000)
Foreign currency translation					1,126	(1,773)
Balance at the end of the period					$ 203,367	$ 202,241