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Note 14 - Subsequent Events (Details) - Jul. 20, 2015 - Subsequent Event [Member] - USD ($) $ / shares in Units, $ in Millions	Total
Note 14 - Subsequent Events (Details) [Line Items]
Dividends, Common Stock, Cash (in Dollars)	$ 5.3
Common Class A [Member]
Note 14 - Subsequent Events (Details) [Line Items]
Common Stock, Dividends, Per Share, Declared	$ 0.20
Common Class B [Member]
Note 14 - Subsequent Events (Details) [Line Items]
Common Stock, Dividends, Per Share, Declared	$ 0.20

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- References

No definition available.

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Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: 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

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 505



-SubTopic 10



-Section S99



-Paragraph 1



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

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