Restructuring and Other Related Activities - Accrual (Details 2) - USD ($)	12 Months Ended
Jan. 03, 2016	Dec. 28, 2014
2014 Restructuring Plan [Member]
Restructuring Cost and Reserve
Accrual Balance, Beginning	$ 4,811,000	$ 0
Charges	4,916,000	12,022,000
Adjustments	(293,000)	28,000
Cash payments	(6,117,000)	(6,724,000)
Non-cash items	(1,515,000)	(515,000)
Accrual Balance, Ending	1,802,000	4,811,000
Employee Severance [Member] \| 2014 Restructuring Plan [Member]
Restructuring Cost and Reserve
Accrual Balance, Beginning	4,771,000	0
Charges	1,154,000	11,437,000
Adjustments	(159,000)	33,000
Cash payments	(5,766,000)	(6,699,000)
Non-cash items	0	0
Accrual Balance, Ending	0	4,771,000
Employee Severance [Member] \| 2015 Restructuring Plan [Member]
Restructuring Cost and Reserve
Accrual Balance, Beginning	0
Charges	12,368,000
Adjustments	(190,000)
Cash payments	(10,784,000)
Accrual Balance, Ending	1,394,000	0
Other Restructuring [Member] \| 2014 Restructuring Plan [Member]
Restructuring Cost and Reserve
Accrual Balance, Beginning	40,000	0
Charges	3,762,000	585,000
Adjustments	(134,000)	(5,000)
Cash payments	(351,000)	(25,000)
Non-cash items	(1,515,000)	(515,000)
Accrual Balance, Ending	$ 1,802,000	$ 40,000

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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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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

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 SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section P
-Subsection 3, 4

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Net total Increase or Decrease in the accrual for restructuring costs during the reporting period.

+ References

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Amount of consideration other than cash used to fully or partially settle an accrued restructuring cost.

+ References

Reference 1: 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 2: 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)(2))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

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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Amount of increase (decrease) in the restructuring reserve related to foreign currency translation (gain) loss and other increases (decreases).

+ References

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

Reference 2: 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)(2))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

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