Other Comprehensive Income (Loss) (Schedule Of Changes In Each Component Of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Jan. 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	(4,819)	$ (2,010)
Net (gain) loss reclassified to earnings	(98)	6
Other comprehensive income (loss)	(4,917)	(2,004)
Balance at the end of the year	398,221
Foreign Currency Translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the beginning of the year	673	1,005
Other comprehensive net gain (loss) reclassifications	(9,802)	(2,418)
Net (gain) loss reclassified to earnings	0	0
Other comprehensive income (loss)	(9,802)	(2,418)
Balance at the end of the year	(9,129)	(1,413)
Unrealized Derivative Instrument
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the beginning of the year	(255)	386
Other comprehensive net gain (loss) reclassifications	4,158	135
Net (gain) loss reclassified to earnings	(268)	(95)
Other comprehensive income (loss)	3,890	40
Balance at the end of the year	3,635	426
Defined Benefit Pension Plan
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the beginning of the year	(10,791)	(6,968)
Other comprehensive net gain (loss) reclassifications	825	273
Net (gain) loss reclassified to earnings	170	101
Other comprehensive income (loss)	995	374
Balance at the end of the year	(9,796)	(6,594)
AOCI Attributable to Parent
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the beginning of the year	(10,373)	(5,577)
Balance at the end of the year	$ (15,290)	$ (7,581)