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Stock Options, Other Stock Awards and Warrants (Details) $ / shares in Units, shares in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2017 USD ($) $ / shares shares | Dec. 25, 2016 USD ($) $ / shares shares | Dec. 27, 2015 USD ($) $ / shares shares | Dec. 28, 2014 shares | Dec. 29, 2013 shares
Stock Options, Other Stock Awards and Warrants [Abstract] |  |  |  |  |
Number of shares of common stock reserved for issuance under stock incentive plans for employees and non-employee directors (in shares) | 10,127 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Compensation expense (income) | $ | $ 56,032 | $ 61,624 | $ 53,880 |  |
Minimum [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Stock incentive plans, vesting period | 3 years |  |  |  |
Maximum [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Stock incentive plans, vesting period | 5 years |  |  |  |
Restricted Stock Units (RSUs) [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Compensation expense (income) | $ | $ 20,573 | $ 19,908 | $ 19,052 |  |
Number of shares [Abstract] |  |  |  |  |
Outstanding at beginning of year (in shares) | 795 | 955 | 937 |  |
Granted (in shares) | 203 | 245 | 254 |  |
Forfeited (in shares) | (41) | (41) | (52) |  |
Vested (in shares) | (321) | (364) | (184) |  |
Outstanding at end of year (in shares) | 636 | 795 | 955 | 937 |
Weighted average grant-date fair value [Abstract] |  |  |  |  |
Granted (in dollars per share) | $ / shares | $ 98.88 | $ 75.23 | $ 62.95 |  |
Forfeited (in dollars per share) | $ / shares | 68.01 | 59.37 | 51.57 |  |
Vested (in dollars per share) | $ / shares | 57.58 | 43.89 | 39.87 |  |
Outstanding at end of year (in dollars per share) | $ / shares | 75.13 | $ 61.65 | $ 51.22 |  |
Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Number of tranches |  |  |  | 2 |
Number of shares [Abstract] |  |  |  |  |
Granted (in shares) |  |  |  | 119 | 468
Total Shares Prescribed by Employment Agreement (in shares) |  |  |  |  | 587
Weighted average grant-date fair value [Abstract] |  |  |  |  |
Outstanding at end of year (in dollars per share) | $ / shares | 35.56 |  |  |  |
Weighted average assumptions used in determining the fair value of option grants [Abstract] |  |  |  |  |
Share Price (in dollars per share) | $ / shares | $ 47.28 |  |  |  |
Stock price volatility | 26.12% |  |  |  |
Risk-free interest rate | 0.65% |  |  |  |
Expected dividend yield | 3.38% |  |  |  |
Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member] | Stock Price Hurdle One [Member] |  |  |  |  |
Weighted average assumptions used in determining the fair value of option grants [Abstract] |  |  |  |  |
Stock price hurdle (in dollars per share) | $ / shares | $ 45 |  |  |  |
Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member] | Stock Price Hurdle Two [Member] |  |  |  |  |
Weighted average assumptions used in determining the fair value of option grants [Abstract] |  |  |  |  |
Stock price hurdle (in dollars per share) | $ / shares | 52 |  |  |  |
Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member] | Stock Price Hurdle Three [Member] |  |  |  |  |
Weighted average assumptions used in determining the fair value of option grants [Abstract] |  |  |  |  |
Stock price hurdle (in dollars per share) | $ / shares | 56 |  |  |  |
Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member] | Stock Price Hurdle Four [Member] |  |  |  |  |
Weighted average assumptions used in determining the fair value of option grants [Abstract] |  |  |  |  |
Stock price hurdle (in dollars per share) | $ / shares | $ 60 |  |  |  |
Restricted Stock [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Compensation expense (income) | $ | $ 20,573 | $ 19,908 | $ 19,052 |  |
Total unrecognized compensation cost | $ | $ 21,526 |  |  |  |
Weighted average period for recognition of total unrecognized compensation expense | 22 months |  |  |  |
Stock Performance Awards [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Additional shares granted (in shares) | 227 | 276 | 90 |  |
Compensation expense (income) | $ | $ 27,522 | $ 34,248 | $ 27,960 |  |
Total unrecognized compensation cost | $ | $ 23,068 |  |  |  |
Weighted average period for recognition of total unrecognized compensation expense | 19 months |  |  |  |
Percentage of Target Number of Shares, Range Lower Limit | 0.00% |  |  |  |
Percentage of Target Number of Shares, Range Upper Limit | 200.00% |  |  |  |
Number of shares [Abstract] |  |  |  |  |
Outstanding at beginning of year (in shares) | 1,074 | 992 | 655 |  |
Granted (in shares) | 428 | 529 | 362 |  |
Forfeited (in shares) | (28) | (23) | (25) |  |
Cancelled (in shares) | 0 | 0 | 0 |  |
Vested (in shares) | (574) | (424) | 0 |  |
Outstanding at end of year (in shares) | 900 | 1,074 | 992 | 655 |
Weighted average grant-date fair value [Abstract] |  |  |  |  |
Granted (in dollars per share) | $ / shares | $ 99.58 | $ 74.69 | $ 61.85 |  |
Forfeited (in dollars per share) | $ / shares | 74.86 | 61.86 | 53.45 |  |
Cancelled (in dollars per share) | $ / shares | 0 | 0 | 0 |  |
Vested (in dollars per share) | $ / shares | 52.21 | 47.21 | 0 |  |
Outstanding at end of year (in dollars per share) | $ / shares | $ 77.27 | $ 62.19 | $ 53.17 |  |
Cash-settled Restricted Stock Units [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Compensation expense (income) | $ | $ 0 | $ 0 | $ 0 |  |
Stock Awards Non Employee [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Compensation expense (income) | $ | $ 1,595 | $ 1,630 | $ 1,449 |  |
Number of deferred shares (in shares) | 10 | 16 | 16 |  |
Number of shares [Abstract] |  |  |  |  |
Granted (in shares) | 16 | 23 | 20 |  |
Employee Stock Options [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Compensation expense (income) | $ | $ 6,342 | $ 5,838 | $ 5,419 |  |
Total unrecognized compensation cost | $ | $ 8,228 |  |  |  |
Weighted average period for recognition of total unrecognized compensation expense | 22 months |  |  |  |
Stock options [Roll Forward] |  |  |  |  |
Outstanding at beginning of year (in shares) | 2,768 | 3,445 | 4,186 |  |
Granted (in shares) | 458 | 492 | 549 |  |
Exercised (in shares) | 597 | 1,143 | 1,280 |  |
Expired or forfeited (in shares) | 50 | 26 | 10 |  |
Outstanding at end of year (in shares) | 2,579 | 2,768 | 3,445 | 4,186 |
Exercisable at end of year (in shares) | 1,661 | 1,708 | 2,208 |  |
Weighted average exercise price [Abstract] |  |  |  |  |
Granted (in dollars per share) | $ / shares | $ 98.8 | $ 74.42 | $ 61.77 |  |
Exercised (in dollars per share) | $ / shares | 49.31 | 41.75 | 37.54 |  |
Expired or forfeited (in dollars per share) | $ / shares | 57.33 | 56.43 | 46.38 |  |
Outstanding at end of year (in dollars per share) | $ / shares | 62.12 | 53.21 | 46.41 |  |
Exercisable at end of year (in dollars per share) | $ / shares | $ 50.02 | 45.5 | 41.36 |  |
Outstanding at end of year, weighted average remaining contractual life | 3 years 8 months 7 days |  |  |  |
Exercisable at end of year, weighted average exercise price remaining contractual life | 2 years 8 months 14 days |  |  |  |
Outstanding at end of year, aggregate intrinsic value | $ | $ 77,657 |  |  |  |
Exercisable at end of year, aggregate intrinsic value | $ | $ 67,818 |  |  |  |
Weighted average fair value of awards granted (in dollars per share) | $ / shares | $ 18.25 | $ 13.01 | $ 9.29 |  |
Weighted average assumptions used in determining the fair value of option grants [Abstract] |  |  |  |  |
Risk-free interest rate | 1.85% | 1.16% | 1.34% |  |
Expected dividend yield | 2.31% | 2.74% | 2.98% |  |
Expected volatility | 24.00% | 26.00% | 23.00% |  |
Expected option life | 5 years | 5 years | 5 years |  |
Intrinsic values of options exercised | $ | $ 31,406 | $ 47,992 | $ 41,906 |  |

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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: 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 2: 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=96867065&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Unrecognized cost of unvested share-based compensation awards. + 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 (i) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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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=96867065&loc=d3e5070-113901 + Details
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- Definition The number of grants made 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=96867065&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=96867065&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=96867065&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=96867065&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested 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)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=96867065&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=96867065&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=96867065&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=96867065&loc=d3e5070-113901 + Details
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. + 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)(iv) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Weighted average expected volatility rate of share-based compensation awards. + 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=96867065&loc=d3e5070-113901 + Details
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- 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=96867065&loc=d3e5070-113901 + Details
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable 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)(iii) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. + 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)(2) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition For presentations that combine terminations, 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 or that expired. + 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)-(4) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Weighted average price of options that were either forfeited or expired. + 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)-(4) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Net number of share options (or share units) granted during 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 (c)(1)(iv)(1) -URI http://asc.fasb.org/extlink&oid=96867065&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=96867065&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=96867065&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=96867065&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=96867065&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=96867065&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. + References No definition available. + Details
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. + References No definition available. + Details
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- Definition Expected term of share-based compensation awards, 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 (f)(2)(i) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 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.D.2) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 + Details
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- Definition Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. + 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=96867065&loc=d3e5070-113901 + Details
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