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Share-Based Payment Arrangements (Tables) | 12 Months Ended
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Dec. 31, 2011
Share-Based Payment Arrangements [Abstract] |
Amounts Recognized In The Financial Statements With Respect To Plans |
|  | Fiscal Years |
|  | 2011 |  |  | 2010 |  |  | 2009 |
Total cost of the Plans during the period |  | $ | 5,012 |  |  | $ | 4,769 |  |  | $ | 4,968 |
Amount of related income tax benefit recognized during the period |  |  | 983 |  |  |  | 1,194 |  |  |  | 1,163 |
Net cost of the Plans during the period |  | $ | 4,029 |  |  | $ | 3,575 |  |  | $ | 3,805 |
Weighted Average Assumptions For Option Grants |
|  | 2011 |  |  | 2010 |  |  | 2009 |
Expected volatility |  |  | 35.0 | % |  |  | 37.0 | % |  |  | 38.0 | %
Expected dividend yield |  |  | 0.450 | % |  |  | 0.400 | % |  |  | 0.400 | %
Risk-free interest rate |  |  | 1.75 | % |  |  | 2.50 | % |  |  | 1.50 | %
Expected lives (in years) |  |  | 4.0 |  |  |  | 4.2 |  |  |  | 4.4 |
Summary Of Information Regarding Stock Options |
|  | Options Outstanding |  |  | Options Exercisable |
|  | Number of Options |  |  | Weighted Average Exercise Price per Share |  |  | Number of Options |  |  | Weighted Average Exercise Price per Share |
Options at December 27, 2008 |  |  | 2,505,644 |  |  | $ | 35.47 |  |  |  | 822,211 |  |  | $ | 30.75 |
Granted |  |  | 367,000 |  |  | $ | 38.20 |  |  |  |  |  |  |  |  |
Exercised |  |  | (207,342 | ) |  | $ | 19.31 |  |  |  |  |  |  |  |  |
Forfeited |  |  | (107,500 | ) |  | $ | 42.77 |  |  |  |  |  |  |  |  |
Options at December 26, 2009 |  |  | 2,557,802 |  |  | $ | 36.86 |  |  |  | 1,225,802 |  |  | $ | 32.43 |
Granted |  |  | 230,250 |  |  | $ | 37.41 |  |  |  |  |  |  |  |  |
Exercised |  |  | (424,354 | ) |  | $ | 20.73 |  |  |  |  |  |  |  |  |
Forfeited |  |  | (67,867 | ) |  | $ | 42.64 |  |  |  |  |  |  |  |  |
Options at December 25, 2010 |  |  | 2,295,831 |  |  | $ | 39.73 |  |  |  | 936,081 |  |  | $ | 38.85 |
Granted |  |  | 273,000 |  |  | $ | 41.79 |  |  |  |  |  |  |  |  |
Exercised |  |  | (111,355 | ) |  | $ | 34.84 |  |  |  |  |  |  |  |  |
Forfeited |  |  | (130,700 | ) |  | $ | 41.48 |  |  |  |  |  |  |  |  |
Options at December 31, 2011 |  |  | 2,326,776 |  |  | $ | 40.11 |  |  |  | 1,110,743 |  |  | $ | 39.74 |
Summary Of Stock Options Outstanding And Exercisable |
|  | Options Outstanding |
Range of Exercise Prices Per Share |  | Number Outstanding |  |  | Weighted Average Remaining Contractual Term (years) |  |  | Weighted Average Exercise Price per Share |
$14.62 - $15.00 |  |  | 25,100 |  |  |  | 1.0 |  |  | $ | 14.62 |
$15.01 - $25.00 |  |  | 49,763 |  |  |  | 2.1 |  |  | $ | 19.64 |
$25.01 - $35.00 |  |  | 109,801 |  |  |  | 3.2 |  |  | $ | 32.60 |
$35.01 - $40.00 |  |  | 639,750 |  |  |  | 6.8 |  |  | $ | 37.92 |
$40.01 - $44.00 |  |  | 1,282,118 |  |  |  | 6.1 |  |  | $ | 42.19 |
$44.01 - $48.15 |  |  | 220,244 |  |  |  | 5.4 |  |  | $ | 45.62 |
|  |  | 2,326,776 |  |  |  | 5.9 |  |  | $ | 40.11 |
|  | Options Exercisable |
Range of Exercise Prices Per Share |  | Number Exercisable |  |  | Weighted Average Remaining Contractual Term (years) |  |  | Weighted Average Exercise Price per Share |
$14.62 - $15.00 |  |  | 25,100 |  |  |  | 1.0 |  |  | $ | 14.62 |
$15.01 - $25.00 |  |  | 49,763 |  |  |  | 2.1 |  |  | $ | 19.64 |
$25.01 - $35.00 |  |  | 109,801 |  |  |  | 3.2 |  |  | $ | 32.60 |
$35.01 - $40.00 |  |  | 160,383 |  |  |  | 5.7 |  |  | $ | 37.40 |
$40.01 - $44.00 |  |  | 593,952 |  |  |  | 4.9 |  |  | $ | 42.81 |
$44.01 - $48.15 |  |  | 171,744 |  |  |  | 5.3 |  |  | $ | 45.35 |
|  |  | 1,110,743 |  |  |  | 4.7 |  |  | $ | 39.74 |
Schedule Of Information On Non-Vested Restricted Stock |
|  | Number of Shares |  |  | Weighted Average Grant Date Fair Value |
Non-vested restricted stock outstanding at December 25, 2010 |  |  | 29,854 |  |  | $ | 39.49 |
Granted |  |  | 22,410 |  |  | $ | 44.82 |
Vested |  |  | (8,333 | ) |  | $ | 42.14 |
Forfeited |  |  | (2,938 | ) |  | $ | 37.13 |
Non-vested restricted stock outstanding at December 31, 2011 |  |  | 40,993 |  |  | $ | 42.03 |

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 718 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (h)(1) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -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 grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 718 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (c)(1) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: 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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