Capital Assets (Other Capital Assets) (Details) (USD $)	3 Months Ended	12 Months Ended
Dec. 27, 2014	Dec. 28, 2013	Sep. 27, 2014
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 39,586,000		$ 39,020,000
Accumulated Amortization	(18,828,000)		(17,842,000)
Net Carrying Value	20,758,000us-gaap_FiniteLivedIntangibleAssetsNet		21,178,000us-gaap_FiniteLivedIntangibleAssetsNet
Weighted average useful life (in years)	14 years		13 years 4 months 24 days
Amortization expense	1,000,000us-gaap_AmortizationOfIntangibleAssets	900,000us-gaap_AmortizationOfIntangibleAssets
Software development costs [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	17,312,000		16,713,000
Accumulated Amortization	(12,244,000)		(11,644,000)
Net Carrying Value	5,068,000		5,069,000
Weighted average useful life (in years)	6 years 4 months 24 days		5 years 8 months 12 days
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	12,151,000		12,204,000
Accumulated Amortization	(4,643,000)		(4,453,000)
Net Carrying Value	7,508,000		7,751,000
Weighted average useful life (in years)	14 years 6 months		14 years 4 months 24 days
Trademarks and trade names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	6,303,000		6,349,000
Accumulated Amortization	(1,509,000)		(1,458,000)
Net Carrying Value	4,794,000		4,891,000
Weighted average useful life (in years)	29 years 4 months 24 days		29 years 3 months 18 days
Customer Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,562,000		2,485,000
Accumulated Amortization	(274,000)		(134,000)
Net Carrying Value	2,288,000		2,351,000
Weighted average useful life (in years)	8 years 1 month 6 days		8 years 1 month 6 days
Land-use rights [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,258,000		1,269,000
Accumulated Amortization	(158,000)		(153,000)
Net Carrying Value	$ 1,100,000		$ 1,116,000
Weighted average useful life (in years)	47 years 9 months 18 days		47 years 9 months 18 days

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

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