Derivative Instruments and Hedging Activities - Fair Value of Outstanding Designated and Undesignated Derivative Assets and Liabilities (Details) - USD ($) $ in Thousands	Jan. 02, 2021	Oct. 03, 2020
Prepaid Expenses and Other Current Assets
Derivatives, Fair Value [Line Items]
Derivative assets	$ 42	$ 54
Other Accrued Liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	9,524	4,697
Cash flow derivatives
Derivatives, Fair Value [Line Items]
Derivative assets	8	54
Designated hedge derivatives | Prepaid Expenses and Other Current Assets
Derivatives, Fair Value [Line Items]
Derivative assets	8	54
Designated hedge derivatives | Other Accrued Liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	9,524	4,654
Designated hedge derivatives | Cash flow derivatives | Prepaid Expenses and Other Current Assets
Derivatives, Fair Value [Line Items]
Derivative assets	8	54
Designated hedge derivatives | Cash flow derivatives | Other Accrued Liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	789	489
Designated hedge derivatives | Cross currency swap | Prepaid Expenses and Other Current Assets
Derivatives, Fair Value [Line Items]
Derivative assets	0	0
Designated hedge derivatives | Cross currency swap | Other Accrued Liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	8,735	4,165
Hedge derivatives not designated | Prepaid Expenses and Other Current Assets
Derivatives, Fair Value [Line Items]
Derivative assets	34	0
Hedge derivatives not designated | Other Accrued Liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	$ 0	$ 43