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Long-Term Debt (Narrative) (Details)	1 Months Ended	12 Months Ended
	Dec. 29, 2010 USD ($) ft²	Sep. 24, 2016 USD ($)	Sep. 26, 2015	Jun. 30, 2013 USD ($)
Debt Instrument [Line Items]
Property and equipment with undepreciated cost pledge as collateral for long term debt		$ 249,000,000
Senior Notes, Interest Rate of 5.75%, Maturing 2023 [Member]
Debt Instrument [Line Items]
Debt instrument principal amount				$ 700,000,000
Maturity period of Senior note		2023
Interest rate on senior notes		5.75%	5.75%
Redemption period of senior notes		redeem all or a portion of the Notes at any time on or after June 15, 2018
Redemption of senior notes, date		Jun. 15, 2018
Recovery Zone Facility Bonds [Member]
Debt Instrument [Line Items]
Debt maturity date	Jan. 01, 2036
Total amount of bonds funded	$ 99,700,000
Total area of new warehouse and distribution center | ft²	830,000
Annual amount of redemption of bonds		$ 4,500,000
Credit Line [Member]
Debt Instrument [Line Items]
Line of credit facility		$ 175,000,000
Credit Line [Member] | Offering Of Notes [Member]
Debt Instrument [Line Items]
Line of credit facility expiration date		Jun. 30, 2018
Credit Line [Member] | Unused Letters Of Credit [Member]
Debt Instrument [Line Items]
Line of credit facility		$ 30,000,000
Unused letters of credit issued		$ 9,400,000

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Property and equipment with undepreciated cost pledge as collateral for long term debt.

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Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Regulation S-X (SX)
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Face (par) amount of debt instrument at time of issuance.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

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