Debt, Capital Lease Obligations and Other Financing - Narrative (Details) - USD ($)	12 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Oct. 03, 2015	Sep. 27, 2014	May 05, 2017
Debt Instrument [Line Items]
Amount borrowed	$ 331,076,000	$ 625,000,000	$ 483,000,000
Amount of debt outstanding	283,000,000	250,000,000
Non-cash failed sales leaseback financing obligation	$ 20,500,000	2,900,000	$ 1,200,000
Guadalajara, Mexico
Debt Instrument [Line Items]
Contract and renewal lease term	20 years
Guadalajara, Mexico | Assets Held under Capital Leases
Debt Instrument [Line Items]
Estimated loss if Company does not exercise both renewal options	$ 4,100,000
Estimated loss if Company exercises first but not second renewal option	$ 800,000
Guadalajara, Mexico | Failed Sale-Leaseback of Building Shell
Debt Instrument [Line Items]
Non-cash failed sales leaseback financing obligation				$ 8,600,000
Balance of related non-cash failed sales leaseback financing obligation		8,400,000
Senior Notes | 5.20% Senior Notes
Debt Instrument [Line Items]
Interest rate	5.20%
Amount of debt outstanding	$ 175,000,000	$ 175,000,000
Capital Lease Obligations
Debt Instrument [Line Items]
Weighted average interest rate	4.51%	5.58%
Value of non-cash transaction	$ 15,700,000
Revolving Credit Facility
Debt Instrument [Line Items]
Maximum commitment	300,000,000.0
Amount credit facility may be further increased	500,000,000.0
Highest daily borrowings	151,000,000
Average daily borrowings	$ 106,700,000
Interest rate at period end	2.358%
Annual commitment fee	0.175%
Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Amount borrowed	$ 331,000,000
Amount repaid	298,000,000
Amount of debt outstanding	$ 108,000,000	$ 75,000,000			$ 75,000,000
Revolving Credit Facility | Line of Credit | LIBOR
Debt Instrument [Line Items]
Borrowing rate	1.125%