Note 9 - Incentive Compensation Plan (Details) (Incentive Compensation Plan [Member], USD $)	0 Months Ended
Dec. 30, 2013 Special Dividend [Member]	Mar. 31, 2014
Note 9 - Incentive Compensation Plan (Details) [Line Items]
Dividends	$ 98,685,000
Incentive Compensation Plan Payments	5,277,800
Dividends, Cash	68,000,000
Incentive Compensation Plan Payments Cash	5,044,600
Remaining Liability Under Incentive Plan, Aggregative Maximum		$ 233,200

Information pertaining to payments made by the Incentive Compensation Plan.

No definition available.

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- Definition

Information pertaining to cash payments made by the Incentive Compensation Plan.

+ References

No definition available.

+ Details

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- Definition

The maximum aggregate amount of the remaining liability under the Incentive Plan.

+ References

No definition available.

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- Definition

Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 405

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817

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- Definition

Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred.

+ References

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