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Manufacturing Consolidation and Tax Strategy (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 02, 2015
Schedule Of Restructuring Reserve By Type Of Cost [Line Items]
Liability as of January 3, 2014	$ 759us-gaap_RestructuringReserve
Costs incurred and charged to expense	321us-gaap_RestructuringCharges
Cash payments	(900)us-gaap_PaymentsForRestructuring
Liability as of January 2, 2015	180us-gaap_RestructuringReserve
Termination Benefits [Member]
Schedule Of Restructuring Reserve By Type Of Cost [Line Items]
Liability as of January 3, 2014	731us-gaap_RestructuringReserve / us-gaap_RestructuringCostAndReserveAxis = us-gaap_OneTimeTerminationBenefitsMember
Costs incurred and charged to expense	212us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = us-gaap_OneTimeTerminationBenefitsMember
Cash payments	(763)us-gaap_PaymentsForRestructuring / us-gaap_RestructuringCostAndReserveAxis = us-gaap_OneTimeTerminationBenefitsMember
Liability as of January 2, 2015	180us-gaap_RestructuringReserve / us-gaap_RestructuringCostAndReserveAxis = us-gaap_OneTimeTerminationBenefitsMember
Other Associated Costs [Member]
Schedule Of Restructuring Reserve By Type Of Cost [Line Items]
Liability as of January 3, 2014	28us-gaap_RestructuringReserve / us-gaap_RestructuringCostAndReserveAxis = us-gaap_OtherRestructuringMember
Costs incurred and charged to expense	109us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = us-gaap_OtherRestructuringMember
Cash payments	(137)us-gaap_PaymentsForRestructuring / us-gaap_RestructuringCostAndReserveAxis = us-gaap_OtherRestructuringMember
Liability as of January 2, 2015	$ 0us-gaap_RestructuringReserve / us-gaap_RestructuringCostAndReserveAxis = us-gaap_OtherRestructuringMember

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Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

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

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

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)

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-Name Accounting Standards Codification

-Topic 420

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-Section 50

-Paragraph 1

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-Name Accounting Standards Codification

-Topic 420

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-Name Accounting Standards Codification

-Topic 420

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SAB TOPIC 5.P.4(b))

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