Other Comprehensive Income (Loss) (Schedule Of Other Comprehensive Income (Loss)) Allocated To Each Component Of Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Foreign Currency Translation
Other Comprehensive Income (Loss), before Tax [Abstract]
Other comprehensive income (loss), before reclassifications, pretax	$ (8,056)	$ 5,811	$ (385)	$ (794)
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive income (loss), before reclassifications, net of tax	(8,056)	5,811	(385)	(794)
Unrealized Derivative Instrument
Other Comprehensive Income (Loss), before Tax [Abstract]
Other comprehensive income (loss), before reclassifications, pretax	2,817	(1,223)	4,530	3,693
Net (gain) loss reclassified to earnings	(695)	240	370	(81)
Other Comprehensive Income (Loss), Tax [Abstract]
Other comprehensive income (loss) before reclassifications, tax	(728)	442	(1,171)	(1,333)
Net (gain) loss reclassified to earnings, tax	179	(87)	(96)	28
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive income (loss), before reclassifications, net of tax	2,089	(781)	3,359	2,360
Net (gain) loss reclassified to earnings, net of tax	(516)	153	274	(53)
Defined Benefit Pension Plan
Other Comprehensive Income (Loss), before Tax [Abstract]
Other comprehensive income (loss), before reclassifications, pretax	111	60	(277)	527
Net (gain) loss reclassified to earnings	131	249	398	731
Other Comprehensive Income (Loss), Tax [Abstract]
Other comprehensive income (loss) before reclassifications, tax	(33)	(18)	84	(159)
Net (gain) loss reclassified to earnings, tax	(39)	(75)	(120)	(220)
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive income (loss), before reclassifications, net of tax	78	42	(193)	368
Net (gain) loss reclassified to earnings, net of tax	92	174	278	511
Currency exchange rate gain (loss)
Other Comprehensive Income (Loss), before Tax [Abstract]
Other comprehensive income (loss), before reclassifications, pretax	413	(663)	145	(156)
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive income (loss), before reclassifications, net of tax	413	(663)	145	(156)
Other comprehensive income (loss)
Other Comprehensive Income (Loss), before Tax [Abstract]
Other comprehensive income (loss), before tax	(5,279)	4,474	4,781	3,920
Other Comprehensive Income (Loss), Tax [Abstract]
Other comprehensive income (loss), tax	(621)	262	(1,303)	(1,684)
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive income (loss), net of tax	$ (5,900)	$ 4,736	$ 3,478	$ 2,236