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Share-Based Compensation - Number and Weighted Average Exercise Price of Outstanding and Exercisable Options (Detail) - $ / shares shares in Thousands	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of Options, Options Outstanding	9,202	9,956	8,911	8,368
Average Remaining Contractual Life, Options Outstanding	5 years 6 months 22 days	5 years 11 months 9 days
Number of Options, Options Exercisable	5,609	5,859	5,188
$2.75 to $4.00
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower	$ 2.75
Range of Exercise Prices, Upper	$ 4.00
Number of Options, Options Outstanding	0	67
Average Remaining Contractual Life, Options Outstanding		3 months 22 days
Number of Options, Options Exercisable	0	67
$4.01 to $12.00
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower	$ 4.01
Range of Exercise Prices, Upper	$ 12.00
Number of Options, Options Outstanding	304	639
Average Remaining Contractual Life, Options Outstanding	8 months 9 days	1 year 5 months 9 days
Number of Options, Options Exercisable	304	639
$12.01 to $16.00
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower	$ 12.01
Range of Exercise Prices, Upper	$ 16.00
Number of Options, Options Outstanding	450	539
Average Remaining Contractual Life, Options Outstanding	1 year 4 months 13 days	2 years 4 months 13 days
Number of Options, Options Exercisable	450	539
$16.01 to $23.98
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower	$ 16.01
Range of Exercise Prices, Upper	$ 23.98
Number of Options, Options Outstanding	3,698	4,256
Average Remaining Contractual Life, Options Outstanding	6 years 7 months 2 days	7 years 6 months 29 days
Number of Options, Options Exercisable	1,867	1,580
$23.99 to $28.99
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower	$ 23.99
Range of Exercise Prices, Upper	$ 28.99
Number of Options, Options Outstanding	2,033	2,426
Average Remaining Contractual Life, Options Outstanding	5 years 8 months 19 days	6 years 6 months 15 days
Number of Options, Options Exercisable	1,297	1,320
$23.99 to $28.99
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower	$ 29.0
Range of Exercise Prices, Upper	$ 31.99
Number of Options, Options Outstanding	1,822	1,744
Average Remaining Contractual Life, Options Outstanding	4 years 2 months 12 days	4 years 5 months 16 days
Number of Options, Options Exercisable	1,429	1,435
$32.00 to $38.30
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower	$ 32.00
Range of Exercise Prices, Upper	$ 38.30
Number of Options, Options Outstanding	215	97
Average Remaining Contractual Life, Options Outstanding	7 years 22 days	3 years 10 months 13 days
Number of Options, Options Exercisable	75	92
$38.31 to $41.51
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower	$ 38.31
Range of Exercise Prices, Upper	$ 41.51
Number of Options, Options Outstanding	560	188
Average Remaining Contractual Life, Options Outstanding	7 years 1 month 6 days	3 years 4 months 24 days
Number of Options, Options Exercisable	187	187
$41.52 to $43.76
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower	$ 41.52
Range of Exercise Prices, Upper	$ 43.76
Number of Options, Options Outstanding	120	0
Average Remaining Contractual Life, Options Outstanding	9 years 10 months 13 days
Number of Options, Options Exercisable	0	0

X

- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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+ References

No definition available.

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- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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