Income Taxes (Significant Differences Between Statutory Federal Tax Rate And Effective Income Tax Rate) (Details)	12 Months Ended
	Oct. 03, 2014	Sep. 27, 2013	Sep. 28, 2012
Income Taxes [Abstract]
Statutory U.S. federal income tax rate	35.00%	35.00%	35.00%
Foreign rate differential	(0.50%)	(4.10%)	(1.00%)
State income tax, net of federal benefit	4.40%	4.50%	3.10%
Tax credit	(6.30%)	(3.10%)
Increase (Decrease) in valuation reserve for deferred assets	(4.30%)	(11.50%)	7.10%
Unrecognized tax benefit	5.40%
Goodwill impairment	10.40%
Other	3.60%	0.80%	4.90%
Effective Income Tax Rate, Continuing Operations, Total	47.70%	21.60%	49.10%