Segment Reporting (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Dec. 27, 2014	Dec. 28, 2013
Segment Reporting
Net sales	$ 1,386,358us-gaap_SalesRevenueNet	$ 1,386,670us-gaap_SalesRevenueNet
Operating income (loss)	215,927us-gaap_OperatingIncomeLoss	226,626us-gaap_OperatingIncomeLoss
Depreciation and amortization	61,159	59,148
Stock compensation	10,391	7,082
Corporate-Unallocated
Segment Reporting
Operating income (loss)	(42,262)	(38,147)
Depreciation and amortization	2,714	2,334
Stock compensation	3,837	2,346
Domestic
Segment Reporting
Net sales	1,215,458	1,191,866
Operating income (loss)	236,601	232,800
Depreciation and amortization	44,586	40,126
Stock compensation	5,831	3,706
Canada
Segment Reporting
Net sales	170,900	194,804
Operating income (loss)	21,588	31,973
Depreciation and amortization	13,859	16,688
Stock compensation	$ 723	$ 1,030

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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-Name Staff Accounting Bulletin (SAB)

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The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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The net result for the period of deducting operating expenses from operating revenues.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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