Capitalization Of Software Development Costs

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Life Of Warranty Obligations For Sales That Include Installation Services In Months

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The maximum number of months for manufacture and delivery for a contract to be deemed a short term contract for revenue recognition instead of being deemed a long term contract.

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Minimum Number Of Months That Long Term Contract May Contain Non-Routine Installations And Special Acceptance Protocols, In Months.

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- Definition

The Company records general warranty provisions based on an estimated warranty expense percentage applied to current period revenue. The percentage applied reflects historical warranty claims experience over the preceding twelve-month period. Both the experience percentage and the warranty liability are evaluated on an ongoing basis for adequacy

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- Definition

Percent fair value is less than carrying amount, including goodwill and other intangible assets option to perform qualitative assessment of goodwill for impairment prior to two-step process

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- Definition

Product Obligation Period From Date Of Purchase In Months

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Summary Of Significant Accounting Policies [Line Items]

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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-Name Accounting Standards Codification
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Amount of expense for amortization of capitalized computer software costs.

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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

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Summary Of Significant Accounting Policies (Narrative 1) (Details) - USD ($)	3 Months Ended	12 Months Ended
	Oct. 01, 2016	Oct. 01, 2016	Oct. 03, 2015	Sep. 27, 2014
Summary Of Significant Accounting Policies [Line Items]
Maximum number of months for manufacturing and delivery that divides short and long term contracts for revenue recognition		6 months
Minimum number of months that long term contract may contain non-routine installations and special acceptance protocols in months		6 months
Capitalization of software development costs		$ 3,637,000	$ 2,834,000	$ 853,000
Foreign currency transaction gain (loss), before tax		1,567,000	2,510,000	1,412,000
Amortization expense on capitalized computer software		$ 892,000	2,403,000	2,759,000
Number of reporting units		3
Goodwill	$ 369,700,000	$ 369,700,000	27,677,000	26,123,000
Goodwill impairment		0	0
Impairment of intangible assets		$ 0	0
Number of previous months historical warranty claims used to calculate warranty expense percentage		12 months
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Percent fair value is less than carrying amount		50.00%
Life of warranty obligations for sales that include installation services, in months		12 months
Product obligation period from date of purchase, in months		12 months
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Life of warranty obligations for sales that include installation services, in months		24 months
Product obligation period from date of purchase, in months		24 months
Research And Development [Member]
Summary Of Significant Accounting Policies [Line Items]
Capitalization of software development costs		$ 2,761,000	1,966,000
Test [Member]
Summary Of Significant Accounting Policies [Line Items]
Goodwill	25,022,000	25,022,000	$ 26,243,000	$ 24,584,000
Sensors [Member]
Summary Of Significant Accounting Policies [Line Items]
Goodwill	1,436,000	1,436,000
PCB Group, Inc [Member]
Summary Of Significant Accounting Policies [Line Items]
Goodwill	343,242,000	$ 343,242,000
Cost of Sales [Member] \| Facility Closing [Member]
Summary Of Significant Accounting Policies [Line Items]
Asset impairment charges	$ 91,000