Borrowings - Summary of Long-term Borrowings (Details) - USD ($) $ in Thousands		12 Months Ended
		Oct. 03, 2020	Sep. 28, 2019
Debt Instrument [Line Items]
Total		$ 426,734
Euro term loan
Debt Instrument [Line Items]
Debt issuance cost for long term portion of the Euro term loan		5,900	$ 6,400
Long-term debt
Debt Instrument [Line Items]
Euro Term Loan due 2024	[1]	406,099	385,208
1.3% Term loan due 2024		4,395	5,466
1.0% State of Connecticut term loan due 2023		646	1,028
Capital lease obligations		0	536
Total		$ 411,140	$ 392,238

[1] (1) Net of debt issuance costs of $5.9 million and $6.4 million at October 3, 2020 and September 28, 2019, respectively.