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Stock-Based Compensation (Tables) | 12 Months Ended
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Jan. 03, 2015
Stock-Based Compensation |
Schedule of assumptions used to estimate fair values using Black-Scholes option-pricing model for Employee Stock Purchase Plan |
|  | Year Ended |
2009 Employee Stock Purchase Plan |  | January 3, 2015 |  | December 28, 2013 |  | December 29, 2012 |
Expected volatility |  |  | 28 | % |  | 27 | % |  | 38 | %
Risk-free interest rate % |  |  | 0.2 | % |  | 0.1 | % |  | 0.2 | %
Expected term (in months) |  |  | 15 |  |  | 7 |  |  | 15 |
Dividend yield |  |  | — |  |  | — |  |  | — |
Schedule of assumptions used to estimate fair values using Monte Carlo simulation model for Stock Incentive Plan |
|  | Year Ended |
2009 Stock Incentive Plan |  | January 3, 2015 |  | December 28, 2013 |  | December 29, 2012 |
Expected volatility |  |  | 33 | % |  | 32 | % |  | 32 | %
Risk-free interest rate % |  |  | 0.7 | % |  | 0.5 | % |  | 0.4 | %
Expected term (in years) |  |  | 2.8 |  |  | 2.9 |  |  | 2.9 |
Dividend yield |  |  | — |  |  | — |  |  | — |
Summary of Stock Options activity |
Stock Options |  | Shares (000s) |  | Weighted- Average Exercise Price |  | Weighted-Average Remaining Contractual Term (In Years) |  | Aggregate Intrinsic Value (000s) |
Outstanding at December 28, 2013 |  |  | 1,089 |  | $ | 35.09 |  |  |  |  |  |  |
Exercised |  |  | (444 | ) | $ | 35.67 |  |  |  |  |  |  |
Cancelled or expired |  |  | (116 | ) | $ | 49.19 |  |  |  |  |  |  |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Outstanding at January 3, 2015 |  |  | 529 |  | $ | 31.50 |  |  | 1.61 |  | $ | 8,661 |
Vested at January 3, 2015 and expected to vest |  |  | 529 |  | $ | 31.50 |  |  | 1.61 |  | $ | 8,661 |
Exercisable at January 3, 2015 |  |  | 529 |  | $ | 31.50 |  |  | 1.61 |  | $ | 8,661 |
Summary of RSAs and RSUs Activity |
RSAs and RSUs |  | Shares (000s) |  | Weighted- Average Purchase Price |  | Weighted-Average Remaining Vesting Term (In Years) |  | Aggregate Intrinsic Value (000s) |
Outstanding at December 28, 2013 |  |  | 1,835 |  | $ | — |  |  |  |  |  |  |
Granted |  |  | 735 |  | $ | — |  |  |  |  |  |  |
Issued |  |  | (680 | ) | $ | — |  |  |  |  |  |  |
Cancelled or expired |  |  | (109 | ) | $ | — |  |  |  |  |  |  |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Outstanding at January 3, 2015 |  |  | 1,781 |  | $ | — |  |  | 1.02 |  | $ | 84,584 |
Outstanding at January 3, 2015 and expected to vest |  |  | 1,654 |  | $ | — |  |  | 1.02 |  | $ | 78,567 |
Summary of MSUs Activity |
MSUs |  | Shares (000s) |  | Weighted- Average Purchase Price |  | Weighted-Average Remaining Vesting Term (In Years) |  | Aggregate Intrinsic Value (000s) |
Outstanding at December 28, 2013 |  |  | 246 |  | $ | — |  |  |  |  |  |  |
Granted |  |  | 76 |  | $ | — |  |  |  |  |  |  |
Issued |  |  | — |  | $ | — |  |  |  |  |  |  |
Cancelled or expired |  |  | (24 | ) | $ | — |  |  |  |  |  |  |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Outstanding at January 3, 2015 |  |  | 298 |  | $ | — |  |  | 1.18 |  | $ | 14,181 |
Outstanding at January 3, 2015 and expected to vest |  |  | 274 |  | $ | — |  |  | 1.18 |  | $ | 13,034 |
Summary of weighted average fair value at the date of grant |
|  | Year Ended |
|  | January 3, 2015 |  | December 28, 2013 |  | December 29, 2012 |
Per grant of RSAs and RSUs |  | $ | 47.93 |  | $ | 43.01 |  | $ | 42.25 |
Per grant of MSUs |  | $ | 60.08 |  | $ | 31.94 |  | $ | 53.25 |
Summary of stock-based payment and stock option values | The following summarizes the Company's stock-based payment and stock option values (in thousands):
|  | Year Ended |
|  | January 3, 2015 |  | December 28, 2013 |  | December 29, 2012 |
Intrinsic value of stock options exercised |  | $ | 5,674 |  | $ | 4,198 |  | $ | 9,064 |
Intrinsic value of RSAs and RSUs that vested |  | $ | 32,138 |  | $ | 23,649 |  | $ | 40,105 |
Grant date fair value of RSAs and RSUs that vested |  | $ | 29,668 |  | $ | 24,026 |  | $ | 31,215 |
Schedule of stock-based compensation costs recognized in the Consolidated Statements of Income | The following table presents details of stock-based compensation costs recognized in the Consolidated Statements of Income (in thousands):
|  | Year Ended |
|  | January 3, 2015 |  | December 28, 2013 |  | December 29, 2012 |
Cost of revenues |  | $ | 775 |  | $ | 952 |  | $ | 1,206 |
Research and development |  |  | 18,521 |  |  | 14,530 |  |  | 12,602 |
Selling, general and administrative |  |  | 19,771 |  |  | 15,318 |  |  | 17,368 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
|  |  | 39,067 |  |  | 30,800 |  |  | 31,176 |
Income tax benefit |  |  | 4,024 |  |  | 2,633 |  |  | 4,911 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
|  | $ | 35,043 |  | $ | 28,167 |  | $ | 26,265 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Summary of shares reserved of common stock for future issuance | As of January 3, 2015, the Company had reserved shares of common stock for future issuance as follows (in thousands):
2000 Stock Incentive Plan |  |  | 529 |
2009 Stock Incentive Plan |  |  | 3,740 |
2009 Employee Stock Purchase Plan |  |  | 882 |
​ | ​ | ​ | ​ | ​
Total shares reserved |  |  | 5,151 |
​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value. + References No definition available. + Details
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