Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Jun. 27, 2015	Jun. 28, 2014
CASH FLOWS PROVIDED BY (USED IN) OPERATING ACTIVITIES:
Net income	$ 61,879	$ 64,662
Adjustments to reconcile net income to cash provided by (used in) operating activities:
Depreciation and amortization	74,189	73,060
Stock-based compensation expense	15,478	13,270
Provision for (benefit from) doubtful accounts, product returns and other sales adjustments	537	(166)
Deferred income taxes	24,976	18,454
Loss on extinguishment of debt	3,760	8,192
Gain on sales of assets, net	(4,116)	(1,247)
Asset impairments	1,954	0
Other, net	745	95
Changes in operating assets and liabilities:
Accounts receivable	40,159	(27,795)
Inventories	12,958	(64,897)
Prepaid expenses and other assets	9,017	(13,350)
Accounts payable	(52,966)	116,809
Accrued liabilities and other long-term liabilities	(12,340)	11,406
Cash provided by operating activities	176,230	198,493
CASH FLOWS PROVIDED BY (USED IN) INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(76,239)	(47,424)
Proceeds from sales of property, plant and equipment	15,062	5,654
Cash paid for business combinations	0	(80,861)
Cash used in investing activities	(61,177)	(122,631)
CASH FLOWS PROVIDED BY (USED IN) FINANCING ACTIVITIES:
Change in restricted cash	0	4,100
Repayments of long-term debt	(108,666)	(279,634)
Debt issuance costs	(1,766)	0
Proceeds from long-term debt, net of issuance costs	0	369,897
Proceeds from short-term borrowings	0	65,935
Repayments of short-term borrowings	(10,221)	(62,766)
Proceeds from revolving credit facility borrowings	1,817,700	560,000
Repayments of revolving credit facility borrowings	(1,812,700)	(560,000)
Proceeds from terminations of interest rate swaps	3,258	16,492
Net proceeds from stock issuances	17,708	9,606
Repurchases of common stock	(70,777)	(51,265)
Cash provided by (used in) financing activities	(165,464)	72,365
Effect of exchange rate changes	275	911
Increase (decrease) in cash and cash equivalents	(50,136)	149,138
Cash and cash equivalents at beginning of period	466,607	402,875
Cash and cash equivalents at end of period	416,471	552,013
Cash paid during the period for:
Interest, net of capitalized interest	18,179	28,695
Income taxes, net of refunds	39,964	20,292
Noncash Investing and Financing Items [Abstract]
Non-interest bearing notes payable issued in conjunction with a business combination (refer to Note 12)	$ 0	$ 14,789