Other Comprehensive Income (Loss) (Schedule Of Changes In Each Component Of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, at period start			$ 428,777
Other comprehensive net gain (loss) reclassifications	$ (5,476)	$ 4,409	2,926	$ 1,778
Net (gain) loss reclassified to earnings	(424)	327	552	458
Other comprehensive income (loss)	(5,900)	4,736	3,478	2,236
Balance, at period end	472,550		472,550
Foreign Currency Translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, at period start	11,617	(5,932)	3,946	673
Other comprehensive net gain (loss) reclassifications	(8,056)	5,811	(385)	(794)
Net (gain) loss reclassified to earnings	0	0	0	0
Other comprehensive income (loss)	(8,056)	5,811	(385)	(794)
Balance, at period end	3,561	(121)	3,561	(121)
Unrealized Derivative Instrument
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, at period start	4,013	2,680	1,953	(255)
Other comprehensive net gain (loss) reclassifications	2,089	(781)	3,359	2,360
Net (gain) loss reclassified to earnings	(516)	153	274	(53)
Other comprehensive income (loss)	1,573	(628)	3,633	2,307
Balance, at period end	5,586	2,052	5,586	2,052
Defined Benefit Pension Plan
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, at period start	(6,805)	(9,621)	(6,452)	(10,791)
Other comprehensive net gain (loss) reclassifications	491	(621)	(48)	212
Net (gain) loss reclassified to earnings	92	174	278	511
Other comprehensive income (loss)	583	(447)	230	723
Balance, at period end	(6,222)	(10,068)	(6,222)	(10,068)
Other comprehensive income (loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, at period start	8,825	(12,873)	(553)	(10,373)
Balance, at period end	$ 2,925	$ (8,137)	$ 2,925	$ (8,137)