Financing - Schedule of Long term Debt (Details) - USD ($) $ in Thousands	Jan. 02, 2021	Oct. 03, 2020
Debt Instrument [Line Items]
Long-term debt	$ 576,521	$ 577,671
Less: Unamortized underwriting discounts, commissions and other expenses	(7,693)	(8,341)
Total long-term debt, less current maturities, net	541,228	541,730	[1]
Short-term borrowings	10,000	17,000	[1]
Current portion of unamortized underwriting discounts, commissions and other expenses	1,743	1,757
Term loan B facility
Debt Instrument [Line Items]
Long-term debt	167,945	169,095
Less: Current maturities of tranche B term loan debt	$ (4,600)	$ (4,600)
Principal amount, amortization percentage	1.00%	1.00%
Revolving credit facility
Debt Instrument [Line Items]
Long-term debt	$ 58,576	$ 58,576
Less: Current maturities of tranche B term loan debt	(23,000)	(23,000)
Unsecured Debt
Debt Instrument [Line Items]
Long-term debt	$ 350,000	$ 350,000
Interest rate, percentage	5.75%

[1] The Consolidated Balance Sheet as of October 3, 2020 has been derived from the audited consolidated financial statements at that date.The accompanying Notes to Consolidated Financial Statements (Unaudited) are an integral part of these consolidated financial statements.