Other Comprehensive Income (Loss) (Schedule Of Changes In Each Component Of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 01, 2017	Apr. 02, 2016	Apr. 01, 2017	Apr. 02, 2016
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the beginning of the year			$ 405,260
Other comprehensive net gain (loss) reclassifications	$ 2,188	$ 2,047	(2,631)	$ 37
Net (gain) loss reclassified to earnings	229	185	131	191
Other comprehensive income (loss)	2,417	2,232	(2,500)	228
Balance at the end of the year	404,044		404,044
Foreign Currency Translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the beginning of the year	(9,129)	(1,413)	673	1,005
Other comprehensive net gain (loss) reclassifications	3,197	3,286	(6,605)	868
Net (gain) loss reclassified to earnings	0	0	0	0
Other comprehensive income (loss)	3,197	3,286	(6,605)	868
Balance at the end of the year	(5,932)	1,873	(5,932)	1,873
Unrealized Derivative Instrument
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the beginning of the year	3,635	426	(255)	386
Other comprehensive net gain (loss) reclassifications	(1,017)	(724)	3,141	(589)
Net (gain) loss reclassified to earnings	62	84	(206)	(11)
Other comprehensive income (loss)	(955)	(640)	2,935	(600)
Balance at the end of the year	2,680	(214)	2,680	(214)
Defined Benefit Pension Plan
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the beginning of the year	(9,796)	(6,594)	(10,791)	(6,968)
Other comprehensive net gain (loss) reclassifications	8	(515)	833	(242)
Net (gain) loss reclassified to earnings	167	101	337	202
Other comprehensive income (loss)	175	(414)	1,170	(40)
Balance at the end of the year	(9,621)	(7,008)	(9,621)	(7,008)
AOCI Attributable to Parent
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the beginning of the year	(15,290)	(7,581)	(10,373)	(5,577)
Balance at the end of the year	$ (12,873)	$ (5,349)	$ (12,873)	$ (5,349)