Other Comprehensive Income (Schedule Of Amounts Reclassified Out Of Accumulated Other Comprehensive Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 30, 2013	Mar. 31, 2012	Mar. 30, 2013	Mar. 31, 2012
Reclassification Out Of Accumulated Other Comprehensive Income [Line Items]
Revenue	$ 136,917	$ 129,019	$ 279,585	$ 262,716
Interest expense, net	(150)	(212)	(144)	(418)
Cost of sales	73,559	64,648	149,519	131,520
Selling and marketing	19,519	19,206	38,698	36,215
General and administrative	13,175	13,917	25,489	27,113
Actuarial losses	132	20	260	40
Income tax (expense) benefit	3,458	5,431	10,190	13,212
Reclassification Out Of Accumulated Other Comprehensive Income [Member]
Reclassification Out Of Accumulated Other Comprehensive Income [Line Items]
Total net gains (losses) included in net income	490	42	299	(335)
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Reclassification Out Of Accumulated Other Comprehensive Income [Line Items]
Total net losses included in income before income taxes	920	90	760	(488)
Income tax (expense) benefit	(339)	(34)	(280)	181
Total net gains (losses) included in net income	581	56	480	(307)
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Interest Rate Swap [Member]
Reclassification Out Of Accumulated Other Comprehensive Income [Line Items]
Interest expense, net		(183)		(359)
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Currency exchange contracts [Member]
Reclassification Out Of Accumulated Other Comprehensive Income [Line Items]
Revenue	920	273	760	(129)
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment [Member]
Reclassification Out Of Accumulated Other Comprehensive Income [Line Items]
Total net losses included in income before income taxes	(132)	(20)	(260)	(40)
Income tax (expense) benefit	41	6	79	12
Total net gains (losses) included in net income	(91)	(14)	(181)	(28)
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment [Member] | Cost of Sales [Member]
Reclassification Out Of Accumulated Other Comprehensive Income [Line Items]
Actuarial losses	(44)	(7)	(85)	(13)
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment [Member] | Selling and Marketing Expense [Member]
Reclassification Out Of Accumulated Other Comprehensive Income [Line Items]
Actuarial losses	(39)	(6)	(78)	(12)
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment [Member] | General and Administrative Expense [Member]
Reclassification Out Of Accumulated Other Comprehensive Income [Line Items]
Actuarial losses	$ (49)	$ (7)	$ (97)	$ (15)