Capital Assets (Other Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 29, 2012	Oct. 01, 2011
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 33,194	$ 32,416
Accumulated Amortization	(10,117)	(6,573)
Net Carrying Value	23,077	25,843
Weighted Average Useful Life (in Years)	14 years 3 months 18 days	14 years 6 months
Software Development Costs [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	15,860	15,370
Accumulated Amortization	(6,125)	(3,574)
Net Carrying Value	9,735	11,796
Weighted Average Useful Life (in Years)	5 years 8 months 12 days	5 years 9 months 18 days
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	10,073	9,903
Accumulated Amortization	(2,871)	(2,114)
Net Carrying Value	7,202	7,789
Weighted Average Useful Life (in Years)	15 years 3 months 18 days	15 years 3 months 18 days
Trademarks And Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	6,020	5,924
Accumulated Amortization	(1,024)	(815)
Net Carrying Value	4,996	5,109
Weighted Average Useful Life (in Years)	30 years 2 months 12 days	30 years 2 months 12 days
Land-Use Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,241	1,219
Accumulated Amortization	(97)	(70)
Net Carrying Value	$ 1,144	$ 1,149
Weighted Average Useful Life (in Years)	47 years 9 months 18 days	47 years 9 months 18 days