Indebtedness (Schedule of Long-Term Debt) (Details) - USD ($) $ in Thousands	Sep. 29, 2019	Sep. 30, 2018
Debt Instrument [Line Items]
Revolving credit facility	$ 0	$ 730,422
Term loans	0	336,360
Capital lease obligations	3,594	4,403
Total debt	1,303,594	1,071,185
Less current maturities of long-term debt, net of $0 and $1,008 of debt issuance costs, respectively	(774)	(31,828)
Less unamortized debt issuance costs	(28,446)	(1,430)
Long-term debt	1,274,374	1,037,927
Current Maturities of Long-Term Debt
Debt Instrument [Line Items]
Term loan debt issuance cost	0	1,008
Senior Notes \| Class A-2-I Notes
Debt Instrument [Line Items]
Senior secured notes	575,000	0
Senior Notes \| Class A-2-II Notes
Debt Instrument [Line Items]
Senior secured notes	275,000	0
Senior Notes \| Class A-2-III Notes
Debt Instrument [Line Items]
Senior secured notes	$ 450,000	$ 0

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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