Other Comprehensive Income (Loss) (Schedule Of Other Comprehensive Income (Loss)) Allocated To Each Component Of Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Oct. 03, 2015
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Other Comprehensive Income (Loss), before Tax [Abstract]
Other comprehensive income (loss), before reclassifications, before tax	$ 3,273	$ (332)	$ (11,215)
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive income (loss), before reclassifications, net of tax	3,273	(332)	(11,215)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Other Comprehensive Income (Loss), before Tax [Abstract]
Other comprehensive income (loss), before reclassifications, before tax	3,301	(1,342)	3,492
Reclassification from accumulated other comprehensive income, current period, before tax	155	334	(4,299)
Other Comprehensive Income (Loss), Tax [Abstract]
Other comprehensive income (loss) before reclassifications, tax	(1,191)	487	(1,266)
Reclassification from AOCI, current period, tax	(57)	(120)	1,561
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive income (loss), before reclassifications, net of tax	2,110	(855)	2,226
Reclassification from accumulated other comprehensive income, current period, net of tax	98	214	(2,738)
Accumulated Defined Benefit Plans Adjustment [Member]
Other Comprehensive Income (Loss), before Tax [Abstract]
Other comprehensive income (loss), before reclassifications, before tax	5,918	(6,034)	(1,252)
Reclassification from accumulated other comprehensive income, current period, before tax	996	584	501
Other Comprehensive Income (Loss), Tax [Abstract]
Other comprehensive income (loss) before reclassifications, tax	(1,786)	1,821	378
Reclassification from AOCI, current period, tax	(300)	(176)	(151)
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive income (loss), before reclassifications, net of tax	4,132	(4,213)	(874)
Reclassification from accumulated other comprehensive income, current period, net of tax	696	408	350
Accumulated Defined Benefit Plans Adjustment, Currency Exchange Gain (Loss), Attributable to Parent [Member]
Other Comprehensive Income (Loss), before Tax [Abstract]
Other comprehensive income (loss), before reclassifications, before tax	(489)	(18)	850
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive income (loss), before reclassifications, net of tax	(489)	(18)	850
AOCI Attributable to Parent [Member]
Other Comprehensive Income (Loss), before Tax [Abstract]
Other comprehensive income (loss), before tax	13,154	(6,808)	(11,923)
Other Comprehensive Income (Loss), Tax [Abstract]
Other comprehensive income (loss), tax	(3,334)	2,012	522
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive income (loss), net of tax	$ 9,820	$ (4,796)	$ (11,401)