Acquisitions - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 29, 2025	Mar. 31, 2024	Jun. 29, 2025	Sep. 29, 2024
Business Combination [Line Items]
Goodwill	$ 2,084,872		$ 2,084,872	$ 2,046,569
Maximum
Business Combination [Line Items]
Significant unobservable input, earn-out period			5 years
Maximum | Existing customer contracts
Business Combination [Line Items]
Useful life of intangible assets	12 years		12 years
Minimum
Business Combination [Line Items]
Significant unobservable input, earn-out period			3 years
Minimum | Existing customer contracts
Business Combination [Line Items]
Useful life of intangible assets	1 year		1 year
LS Technologies
Business Combination [Line Items]
Total purchase price	$ 147,000	$ 120,000
Initial cash payments	104,000	93,000
Cash holdback related to tax reserve	43,000	4,000
Equity interests issued and issuable		23,000
Net tangible assets	13,000	12,000	$ 13,000
Intangible assets	22,000	23,000	22,000
Business combination, recognized liability assumed, deferred tax liability	6,000		6,000
Business combination, purchase price receivable	3,000
Goodwill	115,000	85,000	115,000
LS Technologies | Maximum
Business Combination [Line Items]
Equity interests issued and issuable	60,000	$ 60,000
All acquisitions
Business Combination [Line Items]
Aggregate maximum of contingent consideration	$ 124,000		$ 124,000