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Restructuring Charges - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jan. 02, 2016	Oct. 03, 2015	Jul. 04, 2015	Apr. 04, 2015	Jan. 03, 2015	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Jan. 02, 2016	Jan. 03, 2015
Restructuring Cost and Reserve [Line Items]
Employee termination benefit costs, pretax	$ 1,338	$ 1,081	$ 232	$ 5,761	$ 973	$ 713	$ 6,498	$ 3,656	$ 8,412	$ 11,840
Employee termination benefit costs, after tax	815	$ 660	$ 142	$ 3,514	$ 593	$ 430	$ 3,964	$ 2,235	5,131	7,222
Expected restructuring liability to be paid in current fiscal year	$ 1,809								1,809
Cost of Revenues
Restructuring Cost and Reserve [Line Items]
Employee termination benefit costs, pretax									1,505	4,642
Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Employee termination benefit costs, pretax									$ 6,907	$ 7,198

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Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

+ 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 SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section P
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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, 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 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 5.P.4(b))
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation, after-tax.

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