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Note 10 - Shareholders' Equity (Details) (USD $) In Millions, except Share data, unless otherwise specified | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 29, 2013 | Dec. 30, 2012 | Jan. 01, 2012 | Mar. 04, 2012 | May 31, 2010
Note 10 - Shareholders' Equity (Details) [Line Items] |  |  |  |  |
Common Stock, Shares Authorized (in Shares) |  |  |  | 120,000,000 |
Common Stock, Par or Stated Value Per Share (in Dollars per share) |  |  |  | $ 0.10 |
Common Stock, Shares, Issued (in Shares) |  |  |  | 65,372,375 |
Common Stock, Dividends, Per Share, Cash Paid (in Dollars per share) | $ 0.11 | $ 0.09 | $ 0.08 |  |
Stock Based Compensation Rate At Which Employee Stock Option Exercisable | 100.00% |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares) |  |  |  |  | 6,558,263
Number Of Authorized Stock Reduce By Issuance Of Other Than Stock Option Award (in Shares) |  |  |  |  | 1.33
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized | $ 0.1 |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award Unvested Stock Options Awards Weighted Average Period In Years | 1 year |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share) |  |  | $ 7.37 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term | 5 years 292 days |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term | 5 years 292 days |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value | 2.5 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value | 2.5 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value | 1.9 | 0.9 | 6.0 |  |
Proceeds from Stock Options Exercised | 1.9 | 1.5 | 2.7 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares) | 670,000 | 573,000 | 668,000 |  |
Employee Stock Option [Member] |  |  |  |  |
Note 10 - Shareholders' Equity (Details) [Line Items] |  |  |  |  |
Allocated Share-based Compensation Expense | 0.1 | 0.5 | 0.8 |  |
Employee Stock Option [Member] | Minimum [Member] |  |  |  |  |
Note 10 - Shareholders' Equity (Details) [Line Items] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 1 year |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award Award Exercisable Period | 3 years |  |  |  |
Employee Stock Option [Member] | Maximum [Member] |  |  |  |  |
Note 10 - Shareholders' Equity (Details) [Line Items] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 5 years |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award Award Exercisable Period | 10 years |  |  |  |
Restricted Stock [Member] |  |  |  |  |
Note 10 - Shareholders' Equity (Details) [Line Items] |  |  |  |  |
Allocated Share-based Compensation Expense | 7.9 | 3.3 | 10.1 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares) | 670,000 |  |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options | 10.9 |  |  |  |
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options | $ 3.0 | $ 0.7 | $ 2.8 |  |
Restricted Stock [Member] | Minimum [Member] |  |  |  |  |
Note 10 - Shareholders' Equity (Details) [Line Items] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 2 years |  |  |  |
Restricted Stock [Member] | Maximum [Member] |  |  |  |  |
Note 10 - Shareholders' Equity (Details) [Line Items] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 5 years |  |  |  |
Common Class A [Member] |  |  |  |  |
Note 10 - Shareholders' Equity (Details) [Line Items] |  |  |  |  |
Common Stock, Shares Authorized (in Shares) |  |  |  | 80,000,000 |
Common Stock, Par or Stated Value Per Share (in Dollars per share) |  |  |  | $ 0.10 |
Common Class B [Member] |  |  |  |  |
Note 10 - Shareholders' Equity (Details) [Line Items] |  |  |  |  |
Common Stock, Shares Authorized (in Shares) |  |  |  | 40,000,000 |
Common Stock, Par or Stated Value Per Share (in Dollars per share) |  |  |  | $ 0.10 |
undefined |  |  |  | 10.00% |
Common Stock, Shares, Issued (in Shares) |  |  |  | 6,459,556 |

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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 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 FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + 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 (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, 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 -URI http://asc.fasb.org/extlink&oid=6415400&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=6415400&loc=d3e5070-113901 + Details
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