Capital Assets (Other Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 27, 2014	Sep. 28, 2013
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 39,020	$ 33,587
Accumulated Amortization	(17,842)	(13,931)
Net Carrying Value	21,178	19,656
Weighted Average Useful Life (in Years)	13 years 4 months 24 days	14 years 3 months 18 days
Software development costs [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	16,713	15,860
Accumulated Amortization	(11,644)	(8,885)
Net Carrying Value	5,069	6,975
Weighted Average Useful Life (in Years)	5 years 8 months 12 days	5 years 8 months 12 days
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	12,204	10,308
Accumulated Amortization	(4,453)	(3,676)
Net Carrying Value	7,751	6,632
Weighted Average Useful Life (in Years)	14 years 4 months 24 days	15 years 3 months 18 days
Trademarks and trade names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	6,349	6,149
Accumulated Amortization	(1,458)	(1,244)
Net Carrying Value	4,891	4,905
Weighted Average Useful Life (in Years)	29 years 3 months 18 days	30 years 2 months 12 days
Customer Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,485
Accumulated Amortization	(134)
Net Carrying Value	2,351
Weighted Average Useful Life (in Years)	8 years 1 month 6 days
Land-use rights [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,269	1,270
Accumulated Amortization	(153)	(126)
Net Carrying Value	$ 1,116	$ 1,144
Weighted Average Useful Life (in Years)	47 years 9 months 18 days	47 years 9 months 18 days