Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 27, 2013
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at September 27, 2013	$ 7,814
Income Tax Effect - Benefit/(Expense)	(145)	[1]
Net Of Tax	(383)
Realized Gain/(Loss) On Sale Of Available-For-Sale Securities	(72)	[2]
Income Tax Effect - Benefit/(Expense)	26	[1]
Net Of Tax	(429)
Balance at December 27, 2013	7,385
Unrealized Gains/Losses On Available-For-Sale Securities [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at September 27, 2013	203
Other comprehensive income (loss), before reclassifications, before tax	235
Income Tax Effect - Benefit/(Expense)	(84)	[1]
Net Of Tax	151
Realized Gain/(Loss) On Sale Of Available-For-Sale Securities	(72)	[2]
Income Tax Effect - Benefit/(Expense)	26	[1]
Net Of Tax	105
Balance at December 27, 2013	308
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at September 27, 2013	7,611
Other comprehensive income (loss), before reclassifications, before tax	(473)	[2]
Income Tax Effect - Benefit/(Expense)	(61)	[1]
Net Of Tax	(534)
Net Of Tax	(534)
Balance at December 27, 2013	$ 7,077

[1] The income tax benefit/(expense) is included within provision for income taxes in our consolidated statements of operations.

[2] Realized gains/(losses) on our available-for-sale securities and the gains/(losses) on foreign currency translation adjustments are included within other income/(expense), net in our consolidated statements of operations.