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	Jul. 02, 2011	Sep. 28, 2013	Sep. 29, 2012	Oct. 01, 2011
Summary Of Significant Accounting Policies [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount			0.1	0.4	0.4
Payment to the investment bank	$ 35,000,000		$ 24,767,000	$ 35,323,000	$ 9,864,000
Common stock fair value	28,000,000
Reduction of common stock, shares	0.5
Settlement of an accelerated share purchase agreement		9,600,000
Reduction of additional paid-in capital		9,600,000
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