Segments of Business (Schedule Of Operations By Geographic Area) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Oct. 03, 2014	Jun. 27, 2014	Mar. 28, 2014	Dec. 27, 2013	Sep. 27, 2013	Jun. 28, 2013	Mar. 29, 2013	Dec. 28, 2012	Oct. 03, 2014	Sep. 27, 2013	Sep. 28, 2012
Segment Reporting Information [Line Items]
Net sales	$ 84,904	$ 137,133	$ 124,273	$ 79,100	$ 77,315	$ 129,772	$ 132,100	$ 87,274	$ 425,410	$ 426,461	$ 412,292
Total assets	288,626				288,350				288,626	288,350
Long-term assets	85,723				91,739				85,723	91,739
United States [Member]
Segment Reporting Information [Line Items]
Net sales									337,603	327,606	307,090
Total assets	190,069				196,166				190,069	196,166
Long-term assets	79,585				85,100				79,585	85,100
Europe [Member]
Segment Reporting Information [Line Items]
Net sales									40,659	46,740	55,651
Total assets	65,116				56,759				65,116	56,759
Long-term assets	5,669				5,957				5,669	5,957
Canada [Member]
Segment Reporting Information [Line Items]
Net sales									27,715	29,656	27,105
Other Geographic Areas [Member]
Segment Reporting Information [Line Items]
Net sales									19,433	22,459	22,446
Canada And Other [Member]
Segment Reporting Information [Line Items]
Total assets	33,441				35,425				33,441	35,425
Long-term assets	469				682				469	682
GeographyEliminations [Member]
Segment Reporting Information [Line Items]
Net sales									(28,732)	(32,567)	(31,897)
GeographyEliminations [Member] | United States [Member]
Segment Reporting Information [Line Items]
Net sales									16,186	19,881	18,972
GeographyEliminations [Member] | Europe [Member]
Segment Reporting Information [Line Items]
Net sales									12,349	12,018	10,776
GeographyEliminations [Member] | Canada [Member]
Segment Reporting Information [Line Items]
Net sales									11	4	13
GeographyEliminations [Member] | Other Geographic Areas [Member]
Segment Reporting Information [Line Items]
Net sales									$ 186	$ 664	$ 2,136