Other Comprehensive Income (Loss) (Schedule Of Amounts Reclassified Out 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
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Revenue	$ 194,668	$ 193,764	$ 580,153	$ 586,467
Cost of sales	(118,384)	(118,208)	(351,116)	(358,591)
Selling and marketing	(32,171)	(31,857)	(94,796)	(92,954)
General and administrative	(19,081)	(18,726)	(58,635)	(66,305)
Interest expense, net	(6,249)	(7,711)	(19,761)	(22,409)
Income before income taxes	10,045	7,983	29,691	18,824
Provision for income taxes	(1,066)	2,627	20,877	690
Net income	8,979	10,610	50,568	19,514
Reclassification Out Of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net income	424	(327)	(552)	(458)
Reclassification Out Of Accumulated Other Comprehensive Income \| Unrealized Derivative Instrument
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision for income taxes	(179)	87	96	(28)
Net income	516	(153)	(274)	53
Reclassification Out Of Accumulated Other Comprehensive Income \| Defined Benefit Pension Plan
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of sales	(71)	(136)	(217)	(399)
Selling and marketing	(38)	(70)	(113)	(207)
General and administrative	(22)	(43)	(68)	(125)
Income before income taxes	(131)	(249)	(398)	(731)
Provision for income taxes	39	75	120	220
Net income	(92)	(174)	(278)	(511)
Reclassification Out Of Accumulated Other Comprehensive Income \| Currency exchange contracts gain (loss) \| Unrealized Derivative Instrument
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Revenue	273	(58)	(1,031)	679
Reclassification Out Of Accumulated Other Comprehensive Income \| Interest rate swaps \| Unrealized Derivative Instrument
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense, net	$ 422	$ (182)	$ 661	$ (598)

The aggregate cost of goods produced and sold and services rendered during the reporting period.

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