Other Comprehensive Income (Loss) (Schedule Of Amounts Reclassified Out Of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Jan. 02, 2016
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Revenues	$ 199,279	$ 140,501
Provision for income taxes	476	1,316
Reclassification from accumulated other comprehensive income, current period, net of tax	98	(6)
Unrealized Derivative Instrument
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from accumulated other comprehensive income, current period, before tax	419	150
Reclassification from accumulated other comprehensive income, current period, net of tax	268	95
Defined Benefit Pension Plan
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from accumulated other comprehensive income, current period, before tax	(244)	(145)
Reclassification from accumulated other comprehensive income, current period, net of tax	(170)	(101)
Reclassification Out Of Accumulated Other Comprehensive Income | Unrealized Derivative Instrument
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision for income taxes	(151)	(55)
Total net gain (loss) on derivative instruments	268	95
Reclassification Out Of Accumulated Other Comprehensive Income | Defined Benefit Pension Plan
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision for income taxes	74	44
Reclassification from accumulated other comprehensive income, current period, before tax	(244)	(145)
Reclassification from accumulated other comprehensive income, current period, net of tax	(170)	(101)
Reclassification Out Of Accumulated Other Comprehensive Income | Defined Benefit Pension Plan | Cost of sales
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from accumulated other comprehensive income, current period, before tax	(133)	(79)
Reclassification Out Of Accumulated Other Comprehensive Income | Defined Benefit Pension Plan | Selling and marketing
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from accumulated other comprehensive income, current period, before tax	(69)	(41)
Reclassification Out Of Accumulated Other Comprehensive Income | Defined Benefit Pension Plan | General and administrative
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from accumulated other comprehensive income, current period, before tax	(42)	(25)
Reclassification Out Of Accumulated Other Comprehensive Income | Foreign Exchange Cash Flow Hedges [Member] | Unrealized Derivative Instrument
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Revenues	$ 419	$ 150