Capital Assets (Other Capital Assets) (Details) (USD $)	3 Months Ended	9 Months Ended		12 Months Ended
	Jun. 29, 2013	Jun. 29, 2013	Jun. 30, 2012	Sep. 29, 2012
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 33,584,000	$ 33,584,000		$ 33,194,000
Accumulated Amortization	(12,997,000)	(12,997,000)		(10,117,000)
Net Carrying Value	20,587,000	20,587,000		23,077,000
Weighted average useful life (in years)		14 years 3 months 18 days		14 years 3 months 18 days
Amortization expense	900,000	2,800,000	2,600,000
Software development costs [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	15,860,000	15,860,000		15,860,000
Accumulated Amortization	(8,194,000)	(8,194,000)		(6,125,000)
Net Carrying Value	7,666,000	7,666,000		9,735,000
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	10,305,000	10,305,000		10,073,000
Accumulated Amortization	(3,489,000)	(3,489,000)		(2,871,000)
Net Carrying Value	6,816,000	6,816,000		7,202,000
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	6,149,000	6,149,000		6,020,000
Accumulated Amortization	(1,194,000)	(1,194,000)		(1,024,000)
Net Carrying Value	4,955,000	4,955,000		4,996,000
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	1,270,000	1,270,000		1,241,000
Accumulated Amortization	(120,000)	(120,000)		(97,000)
Net Carrying Value	$ 1,150,000	$ 1,150,000		$ 1,144,000
Weighted average useful life (in years)		47 years 9 months 18 days		47 years 9 months 18 days