Stock Ownership Plans (Details) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	9 Months Ended
	Jun. 29, 2014
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	801
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	$ 3,610.00
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	500
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period	(21)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price	$ 4,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	1,280
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$ 1,310.00
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$ 2,710.00
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options	$ 2,492,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition	2 years 0 months 0 days
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term	6 years 9 months 18 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term	6 years 4 months 24 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	15
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	$ 2.99
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	2,769
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period	(97)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	2,387
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number	1,796
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$ 2.94
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price	$ 11.88
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$ 2.69
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price	$ 3.17
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	6,120,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value	4,260,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options	$ 438,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition	1 year 0 months 0 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	300
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price	$ 2.04