Financing (Schedule of Long term Debt) (Details) - USD ($) $ in Thousands	Oct. 03, 2020	Sep. 28, 2019
Debt Instrument [Line Items]
Long-term debt, gross	$ 577,671
Total long-term debt		$ 525,131
Less: Unamortized underwriting discounts, commissions and other expenses	(8,341)	(10,313)
Long-term debt, less current maturities, net	541,730	484,648
Total long-term debt, less current maturities, net	541,730
Debt issuance costs	1,757	2,201
Term Loan B Facility
Debt Instrument [Line Items]
Long-term debt, gross	169,095	173,695
Less: Current maturities of tranche B term loan debt	$ (4,600)	$ (29,600)
Debt instrument, amortization percentage	1.00%	1.00%
Interest rate, percentage	1.00%
Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt, gross	$ 58,576	$ 0
Less: Current maturities of tranche B term loan debt	(23,000)	0
5.75% Senior Unsecured Notes Due 2027
Debt Instrument [Line Items]
Long-term debt, gross	$ 350,000	350,000
Interest rate, percentage	5.75%
Capital Lease Obligations
Debt Instrument [Line Items]
Capital lease obligations		1,436
Less: Current maturities of capital lease obligations		$ (570)

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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Contractual interest rate for funds borrowed, under the debt agreement.

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