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EQUITY INCENTIVE PLANS (Tables) | 12 Months Ended
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Jan. 01, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Stock Options Activity Related to Equity Incentive Plans | Stock option activity related to the 2004 Equity Incentive Plan is summarized as follows:
|  | Common Stock Options |
|  |  |  |  | Weighted |  |  | Weighted |  |  |  |
|  |  |  |  | Average |  |  | Average |  |  | Aggregate |
|  |  |  |  | Exercise |  |  | Remaining |  |  | Intrinsic |
|  | Outstanding |  |  | Price |  |  | Life |  |  | Value |
|  |  |  |  |  |  |  | (Years) |  |  | (In thousands) |
Stock options at December 29, 2013 |  |  | 4,317,065 |  |  | $ | 17.17 |  |  |  |  |  |  |  |  |
Stock options granted |  |  | 222,060 |  |  |  | 72.30 |  |  |  |  |  |  |  |  |
Stock options cancelled |  |  | (9,670 | ) |  |  | 54.56 |  |  |  |  |  |  |  |  |
Stock options exercised |  |  | (939,340 | ) |  |  | 9.56 |  |  |  |  |  |  |  |  |
Stock options at December 28, 2014 |  |  | 3,590,115 |  |  | $ | 22.47 |  |  |  |  |  |  |  |  |
Stock options granted |  |  | 193,970 |  |  |  | 111.63 |  |  |  |  |  |  |  |  |
Stock options cancelled |  |  | (32,176 | ) |  |  | 73.55 |  |  |  |  |  |  |  |  |
Stock options exercised |  |  | (428,433 | ) |  |  | 11.70 |  |  |  |  |  |  |  |  |
Stock options at January 3, 2016 |  |  | 3,323,476 |  |  | $ | 28.57 |  |  |  |  |  |  |  |  |
Stock options granted |  |  | 233,280 |  |  |  | 129.42 |  |  |  |  |  |  |  |  |
Stock options cancelled |  |  | (12,798 | ) |  |  | 104.23 |  |  |  |  |  |  |  |  |
Stock options exercised |  |  | (1,045,648 | ) |  |  | 14.38 |  |  |  |  |  |  |  |  |
Stock options at January 1, 2017 |  |  | 2,498,310 |  |  | $ | 43.54 |  |  |  | 5.1 |  |  | $ | 289,237 |
Exercisable at January 1, 2017 |  |  | 1,932,209 |  |  | $ | 27.05 |  |  |  | 4.2 |  |  | $ | 255,414 |
Stock Options Valuation Assumptions |
|  | 2016 |  |  | 2015 |  |  | 2014 |
Risk-free interest rate |  |  | 1.3 | % |  |  | 1.7 | % |  |  | 1.8 | %
Expected life (years) |  |  | 5.5 |  |  |  | 5.5 |  |  |  | 5.5 |
Expected volatility |  |  | 26.0 | % |  |  | 28.4 | % |  |  | 33.7 | %
Expected dividend yield |  |  | 1.2 | % |  |  | 1.1 | % |  |  | 1.4 | %
Weighted average fair value per stock option |  | $ | 29.59 |  |  | $ | 28.45 |  |  | $ | 21.16 |
Restricted Stock and Performance Based Restricted Stock Activity Related to Equity Incentive Plans | Restricted stock and performance-based restricted stock activity related to the 2004 Equity Incentive Plan is summarized as follows:
|  |  |  |  | Weighted |
|  |  |  |  | Average |
|  |  |  |  | Grant Date |
|  | Shares |  |  | Fair Value |
Nonvested at January 3, 2016 |  |  | 316,332 |  |  | $ | 75.74 |
Shares granted (1) |  |  | 97,650 |  |  |  | 131.75 |
Shares cancelled |  |  | (13,970 | ) |  |  | 88.34 |
Shares vested |  |  | (123,792 | ) |  |  | 70.39 |
Nonvested at January 1, 2017 |  |  | 276,220 |  |  | $ | 97.48 |
(1) | The weighted average grant date fair value for performance-based restricted shares granted was calculated based on the market price on the grant dates. Certain tranches will ultimately be valued when the performance condition is established for each tranche, which generally occurs in the fourth quarter of each fiscal year.

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock 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) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + 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) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + 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) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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