Note 16 - Stock Based Compensation (Detail) - Options Outstanding (USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Options Outstanding Shares (in Shares)	356,030
Options Outstanding Weighted Average Exercise Price	$ 16.29	$ 16.58	$ 16.55
Options Outstanding Weighted Average Contractual Life (years)	4 years 6 months	5 years 36 days
Exercisable Shares (in Shares)	303,270,000
Exercisable Weighted Average Exercise Price	$ 17.95
Range One [Member]
Range of exercise prices	$ 5.19
Range of exercise prices	$ 8.00
Options Outstanding Shares (in Shares)	97,700
Options Outstanding Weighted Average Exercise Price	$ 6.61
Options Outstanding Weighted Average Contractual Life (years)	6 years 292 days
Exercisable Shares (in Shares)	60,320,000
Exercisable Weighted Average Exercise Price	$ 7.03
Range Two [Member]
Range of exercise prices	$ 8.01
Range of exercise prices	$ 16.00
Options Outstanding Shares (in Shares)	90,950
Options Outstanding Weighted Average Exercise Price	$ 12.87
Options Outstanding Weighted Average Contractual Life (years)	5 years 292 days
Exercisable Shares (in Shares)	75,570,000
Exercisable Weighted Average Exercise Price	$ 13.74
Range Three [Member]
Range of exercise prices	$ 16.01
Range of exercise prices	$ 23.00
Options Outstanding Shares (in Shares)	89,215
Options Outstanding Weighted Average Exercise Price	$ 22.42
Options Outstanding Weighted Average Contractual Life (years)	3 years 146 days
Exercisable Shares (in Shares)	89,215,000
Exercisable Weighted Average Exercise Price	$ 22.42
Range Four [Member]
Range of exercise prices	$ 23.01
Range of exercise prices	$ 26.18
Options Outstanding Shares (in Shares)	78,165
Options Outstanding Weighted Average Exercise Price	$ 25.36
Options Outstanding Weighted Average Contractual Life (years)	1 year 146 days
Exercisable Shares (in Shares)	78,165,000
Exercisable Weighted Average Exercise Price	$ 25.36

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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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.

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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