Goodwill and Intangible Assets - Goodwill (Details) $ in Thousands	9 Months Ended
	Jul. 02, 2023 USD ($)
Goodwill
Balance at beginning of the period	$ 1,110,412
Acquisition activity	723,932
Translation adjustments	52,510
Balance at end of the period	1,886,854
GSG
Goodwill
Balance at beginning of the period	519,102
Acquisition activity	104,100
Translation adjustments	5,459
Balance at end of the period	628,661
CIG
Goodwill
Balance at beginning of the period	591,310
Acquisition activity	619,832
Translation adjustments	47,051
Balance at end of the period	$ 1,258,193