Summary Of Significant Accounting Policies (Narrative 2) (Details) (USD $) Share data in Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Sep. 29, 2012	Sep. 27, 2014	Sep. 28, 2013	Sep. 29, 2012
Summary Of Significant Accounting Policies [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount		0.3	0.1	0.4
Payment to the investment bank	$ 35,000,000	$ 31,013,000	$ 24,767,000	$ 35,323,000
Common stock fair value	28,000,000
Reduction of common stock, shares	0.5
Accelerated share repurchases, common stock received			0.1
Common Stock [Member]
Summary Of Significant Accounting Policies [Line Items]
Reduction of common stock, additional paid-in capital and retained earnings	100,000
Additional Paid-In Capital [Member]
Summary Of Significant Accounting Policies [Line Items]
Reduction of common stock, additional paid-in capital and retained earnings	26,100,000
Retained Earnings [Member]
Summary Of Significant Accounting Policies [Line Items]
Payment to the investment bank	7,000,000
Reduction of common stock, additional paid-in capital and retained earnings	$ 1,800,000