Reorganization and Realignment Costs System Optimization Accrual Rollforward (Details) - System Optimization [Member] - USD ($) $ in Thousands	3 Months Ended
Apr. 03, 2016	Mar. 29, 2015
Restructuring Reserve [Roll Forward]
Beginning balance	$ 875	$ 2,804
Charges	1,778	450
Payments	(2,121)	(2,054)
Ending balance	532	1,200
Severance and related employee costs [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	77	2,235
Charges	0	326
Payments	(16)	(1,999)
Ending balance	61	562
Professional fees [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	708	146
Charges	1,701	41
Payments	(1,988)	(52)
Ending balance	421	135
Other [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	90	423
Charges	77	83
Payments	(117)	(3)
Ending balance	$ 50	$ 503

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.

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=56944662&loc=d3e3602-108585

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- Definition

Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 5.P.4(b))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section P
-Subsection 3, 4

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- Definition

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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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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