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Stock-Based Compensation (Details 3) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Jan. 01, 2013 | Jan. 03, 2012
Stock options |  |  |
Stock-Based Compensation |  |  |
Weighted average fair value at the grant date for options issued (in dollars per share) | $ 10.83 | $ 12.00 | $ 12.62
Weighted average assumptions under Black-Scholes valuation model |  |  |
Expected option term | 6 years 4 months 24 days | 6 years 1 month 6 days | 6 years
Expected stock price volatility (as a percent) | 33.50% | 40.50% | 39.70%
Risk free interest rate (as a percent) | 1.40% | 1.40% | 2.00%
Dividend yield (as a percent) | 1.30% | 0.20% | 0.00%
Stock option activity, shares |  |  |
Outstanding, at the beginning of the period (in shares) | 7,414 |  |
Granted (in shares) | 386 |  |
Exercised (in shares) | (2,791) |  |
Forfeited or cancelled (in shares) | (186) |  |
Outstanding at the end of the period (in shares) | 4,823 | 7,414 |
Exercisable at the end of the period (in shares) | 2,449 |  |
Weighted Average Exercise price |  |  |
Outstanding at the beginning of the period (in dollars per share) | $ 23.98 |  |
Granted (in dollars per share) | $ 35.62 |  |
Exercised (in dollars per share) | $ 26.10 |  |
Forfeited or cancelled (in dollars per share) | $ 23.63 |  |
Outstanding at the end of the period (in dollars per share) | $ 23.70 | $ 23.98 |
Exercisable at the end of the period (in dollars per share) | $ 23.84 |  |
Weighted Average Remaining Contractual Term |  |  |
Outstanding at the beginning of the period | 4 years 1 month 6 days | 4 years 2 months 12 days |
Outstanding at the end of the period | 4 years 1 month 6 days | 4 years 2 months 12 days |
Exercisable at the end of the period | 3 years 3 months 18 days |  |
Aggregate Intrinsic Value |  |  |
Outstanding at the beginning of the period | $ 66,682,000 |  |
Outstanding at the end of the period | 118,505,000 | 66,682,000 |
Exercisable at the end of the period | 59,826,000 |  |
Total intrinsic value of options exercised | 40,100,000 | 16,300,000 | 6,400,000
Unrecognized Stock-based Compensation Expense |  |  |
Total unrecognized stock-based compensation expenses related to unvested stock options, restricted shares and restricted share units | 12,000,000 |  |
Expected weighted average period for recognition of compensation expense related to unvested stock option | 2 years 1 month 6 days |  |
Restricted Shares and Restricted Share Units |  |  |
Unrecognized Stock-based Compensation Expense |  |  |
Total unrecognized stock-based compensation expenses related to unvested stock options, restricted shares and restricted share units | 31,900,000 |  |
Expected weighted average period for recognition of compensation expense related to unvested stock option | 3 years 4 months 24 days |  |
Restricted Shares and Restricted Share Units |  |  |
Outstanding at the beginning of the period (in shares) | 1,316 |  |
Granted (in shares) | 651 |  |
Vested (in shares) | (175) |  |
Forfeited (in shares) | (120) |  |
Outstanding at the end of the period (in shares) | 1,672 | 1,316 |
Fair value of shares vested | $ 2,600,000 | $ 2,500,000 | $ 1,200,000
Weighted Average Fair Value |  |  |
Outstanding at the beginning of the period (in dollars per share) | $ 26.91 |  |
Granted (in dollars per share) | $ 39.42 | $ 31.38 | $ 29.12
Vested (in dollars per share) | $ 14.66 |  |
Forfeited (in dollars per share) | $ 30.43 |  |
Outstanding at the end of the period (in dollars per share) | $ 32.81 | $ 26.91 |

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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + 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)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target 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)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + 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)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. + 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)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. + 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)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + 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 (f)(2)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + 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 (f)(2)(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock 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)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + 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 (d)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. + 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 + Details
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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 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock 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)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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