Segments of Business (Schedule Of Operations By Geographic Area) (Details) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
		Oct. 02, 2015	Jul. 03, 2015	Apr. 03, 2015	Jan. 02, 2015	Oct. 03, 2014	Jun. 27, 2014	Mar. 28, 2014	Dec. 27, 2013	Oct. 02, 2015	Oct. 03, 2014	Sep. 27, 2013
Segment Reporting Information [Line Items]
Net sales		$ 85,673	$ 140,883	$ 133,111	$ 70,822	$ 84,904	$ 137,133	$ 124,273	$ 79,100	$ 430,489	$ 425,410	$ 426,461
Total assets		299,204				288,626				299,204	288,626
Long-term assets	[1]	84,616				85,723				84,616	85,723
United States: [Member]
Segment Reporting Information [Line Items]
Net sales										350,340	337,603	327,606
Total assets		210,060				190,069				210,060	190,069
Long-term assets	[1]	79,045				79,585				79,045	79,585
Europe: [Member]
Segment Reporting Information [Line Items]
Net sales										35,547	40,659	46,740
Total assets		59,740				65,116				59,740	65,116
Long-term assets	[1]	5,162				5,669				5,162	5,669
Canada: [Member]
Segment Reporting Information [Line Items]
Net sales										28,155	27,715	29,656
Other Geographic Areas: [Member]
Segment Reporting Information [Line Items]
Net sales										16,447	19,433	22,459
Canada And Other: [Member]
Segment Reporting Information [Line Items]
Total assets		29,404				33,441				29,404	33,441
Long-term assets	[1]	$ 409				$ 469				409	469
GeographyEliminations [Member]
Segment Reporting Information [Line Items]
Net sales										(27,336)	(28,732)	(32,567)
GeographyEliminations [Member] | United States: [Member]
Segment Reporting Information [Line Items]
Net sales										17,872	16,186	19,881
GeographyEliminations [Member] | Europe: [Member]
Segment Reporting Information [Line Items]
Net sales										9,371	12,349	12,018
GeographyEliminations [Member] | Canada: [Member]
Segment Reporting Information [Line Items]
Net sales										11	11	4
GeographyEliminations [Member] | Other Geographic Areas: [Member]
Segment Reporting Information [Line Items]
Net sales										$ 82	$ 186	$ 664

[1] Long term assets consist of net property, plant and equipment, net intangible assets, goodwill and other assets excluding deferred income taxes.