Other Comprehensive Income (Schedule Of Other Comprehensive Income (Loss)) Allocated To Each Component Of Other Comprehensive Income (Loss)) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 29, 2012	Dec. 31, 2011
Other Comprehensive Income [Abstract]
Foreign currency translation adjustments, Pretax Amount	$ 201	$ (1,543)
Unrealized net (loss) gain, Pretax Amount	1,275	390
Net loss reclassified to earnings, Pretax Amount	160	578
Unrealized net gain, Pretax Amount	217	252
Net loss reclassified to earnings, Pretax Amount	128	20
Exchange rate change, Pretax Amount	(134)	72
Other comprehensive income (loss), Pretax Amount	1,847	(231)
Unrealized net (loss) gain, Tax (Expense) or Benefit	(471)	(145)
Net loss reclassified to earnings, Tax (Expense) or Benefit	(59)	(215)
Unrealized net gain, Tax (Expense) or Benefit	(65)	(98)
Net loss reclassified to earnings, Tax (Expense) or Benefit	(38)	(6)
Other comprehensive income (loss), Tax (Expense) or Benefit	(633)	(464)
Foreign currency translation adjustments, Net of Tax Amount	201	(1,543)
Unrealized net (loss) gain, Net of Tax Amount	804	245
Net loss reclassified to earnings, Net of Tax Amount	101	363
Unrealized net gain, Net of Tax Amount	152	154
Net loss reclassified to earnings, Net of Tax Amount	90	14
Exchange rate change, Net of Tax Amount	(134)	72
Other comprehensive income (loss)	$ 1,214	$ (695)