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
	Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance			$ 405,260
Other comprehensive net gain (loss) reclassifications	$ 4,409	$ (2,020)	1,778	$ (1,983)
Net (gain) loss reclassified to earnings	327	245	458	436
Other comprehensive income (loss)	4,736	(1,775)	2,236	(1,547)
Ending balance	419,436		419,436
Foreign Currency Translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(5,932)	1,873	673	1,005
Other comprehensive net gain (loss) reclassifications	5,811	(2,163)	(794)	(1,295)
Net (gain) loss reclassified to earnings	0	0	0	0
Other comprehensive income (loss)	5,811	(2,163)	(794)	(1,295)
Ending balance	(121)	(290)	(121)	(290)
Unrealized Derivative Instrument
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	2,680	(214)	(255)	386
Other comprehensive net gain (loss) reclassifications	(781)	(91)	2,360	(680)
Net (gain) loss reclassified to earnings	153	142	(53)	131
Other comprehensive income (loss)	(628)	51	2,307	(549)
Ending balance	2,052	(163)	2,052	(163)
Defined Benefit Pension Plan
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(9,621)	(7,008)	(10,791)	(6,968)
Other comprehensive net gain (loss) reclassifications	(621)	234	212	(8)
Net (gain) loss reclassified to earnings	174	103	511	305
Other comprehensive income (loss)	(447)	337	723	297
Ending balance	(10,068)	(6,671)	(10,068)	(6,671)
Other comprehensive income (loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(12,873)	(5,349)	(10,373)	(5,577)
Ending balance	$ (8,137)	$ (7,124)	$ (8,137)	$ (7,124)