Fair Value Measurements (Schedule of Change in Contingent Consideration) (Details) $ in Thousands	12 Months Ended
	Oct. 03, 2020 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Balance, September 28, 2019	$ 251
Balance, October 3, 2020	31,194
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Balance, September 28, 2019	0
Additions	16,903
Fair value adjustment	8,092
Interest accretion	499
Foreign currency translation	1,003
Balance, October 3, 2020	$ 26,497