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Note 19 - Equity Incentive Plans (Details) - Stock Options Outstanding and Exercisable (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |
Shares | 2,812,874 | 3,996,630 | 4,356,985 | 4,947,348
Weighted-Average Remaining Contractual Life | 1 year 328 days | 2 years 73 days | 3 years | 3 years 255 days
$19.93 [Member] |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |
Exercise Price (in Dollars per share) |  | $ 28.70 |  |
Shares |  | 438,000 |  |
Weighted-Average Remaining Contractual Life |  | 36 days |  |
Exercisable Shares |  | 438,000 |  |
$23.37 [Member] |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |
Exercise Price (in Dollars per share) |  | $ 32.26 |  |
Shares |  | 10,000 |  |
Weighted-Average Remaining Contractual Life |  | 6 months |  |
Exercisable Shares |  | 10,000 |  |
$24.80 [Member] |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |
Exercise Price (in Dollars per share) |  | $ 38.38 |  |
Shares |  | 15,000 |  |
Weighted-Average Remaining Contractual Life |  | 328 days |  |
Exercisable Shares |  | 15,000 |  |
$28.70 [Member] |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |
Exercise Price (in Dollars per share) |  | $ 37.00 |  |
Shares |  | 568,270 |  |
Weighted-Average Remaining Contractual Life |  | 1 year 36 days |  |
Exercisable Shares |  | 568,270 |  |
$32.26 [Member] |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |
Exercise Price (in Dollars per share) |  | $ 32.47 |  |
Shares |  | 245,060 |  |
Weighted-Average Remaining Contractual Life |  | 1 year 73 days |  |
Exercisable Shares |  | 245,060 |  |
$32.47 [Member] |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |
Exercise Price (in Dollars per share) |  | $ 33.54 |  |
Shares |  | 264,694 |  |
Weighted-Average Remaining Contractual Life |  | 1 year 146 days |  |
Exercisable Shares |  | 264,694 |  |
$33.54 [Member] |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |
Exercise Price (in Dollars per share) |  | $ 36.90 |  |
Shares |  | 218,540 |  |
Weighted-Average Remaining Contractual Life |  | 2 years 36 days |  |
Exercisable Shares |  | 218,540 |  |
$37.00 [Member] |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |
Exercise Price (in Dollars per share) |  | $ 36.24 |  |
Shares |  | 410,730 |  |
Weighted-Average Remaining Contractual Life |  | 2 years 36 days |  |
Exercisable Shares |  | 410,730 |  |
$38.38 [Member] |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |
Exercise Price (in Dollars per share) |  | $ 38.26 |  |
Shares |  | 12,000 |  |
Weighted-Average Remaining Contractual Life |  | 2 years 109 days |  |
Exercisable Shares |  | 12,000 |  |
$36.90 [Member] |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |
Exercise Price (in Dollars per share) |  | $ 23.37 |  |
Shares |  | 630,580 |  |
Weighted-Average Remaining Contractual Life |  | 4 years 73 days |  |
Exercisable Shares |  | 630,580 |  |
$36.24 [Member] |  |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |  |
Shares |  | 2,812,874 |  |
Weighted-Average Remaining Contractual Life |  | 1 year 328 days |  |
Exercisable Shares |  | 2,812,874 |  |

X
- 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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X
- Definition Weighted average remaining contractual term for option awards outstanding, 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 (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and 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 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. + 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)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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