Note N - Long-term Debt (Details Textual)	Mar. 10, 2015 USD ($)
Special Cash Dividend [Member]
Dividends, Cash	$ 116,100,000
Secured Debt [Member]
Debt Instrument, Face Amount	$ 135,000,000
Debt Instrument, Interest Rate, Stated Percentage	10.00%
Debt Issuance Costs, Gross	$ 5,985,000
Debt Instrument, Term	5 years
Debt Instrument, Fixed Charge Coverage Ratio	2
Debt Instrument, Priority Secured Leverage Ratio	0.4
Debt Instrument Secured Leverage Ratio	3.75
Debt Instrument, Event of Default, Percentage Ownership Enabling the Declaration of Due and Payable	25.00%
Secured Debt [Member] \| In The Event of Certain Equity Offerings [Member]
Debt Instrument, Redemption Price, Percentage	110.00%
Secured Debt [Member] \| In the Event of Chang of Control Offer [Member]
Debt Instrument, Redemption Price, Percentage	101.00%
Secured Debt [Member] \| In the Event the Company Sells Certain Assets and Fails to Use the Proceeds as Required [Member]
Debt Instrument, Redemption Price, Percentage	100.00%
Secured Debt [Member] \| Option to Redeem Notes at Redemption Price Equal to the Percentage of Principal Amount plus the Applicable Premium [Member]
Debt Instrument, Redemption Price, Percentage	100.00%
Secured Debt [Member] \| Option to Redeem Notes at Redemption Price Equal to the Percentage of Principal Amount plus the Applicable Premium [Member] \| Applicable Premium if Percentage of Principal Amount is Greater than Treasury Rate Basis Spread [Member]
Debt Instrument, Applicable Premium, Percentage of Principal Amount	1.00%
Secured Debt [Member] \| Option to Redeem Notes at Redemption Price Equal to the Percentage of Principal Amount plus the Applicable Premium [Member] \| Applicable Premium if Treasury Rate Basis Spread is Greater than Percentage of Principal Amount [Member] \| Treasury Rate [Member]
Debt Instrument, Applicable Premium, Treasury Rate Basis Spread	0.50%
Secured Debt [Member] \| Option to Redeem at Redemption Price Equal to Percentage of Principal Amount [Member] \| In The Event of Certain Equity Offerings [Member] \| Maximum [Member]
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed	35.00%

Applicable premium if using the percentage of principal amount.

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- Definition

Applicable premium if treasury rate basis spread is used.

+ References

No definition available.

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- Definition

Represents the percentage ownership of the debt instrument that enables the holders to declare the debt instrument due and payable by providing notice to the Company, in the event of default.

+ References

No definition available.

+ Details

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- Definition

Ration of consolidated cash flows to the fixed charges for the relevant period.

+ References

No definition available.

+ Details

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- Definition

The ratio of consolidated net debt outstanding secured by a priority lien to consolidated cash flow.

+ References

No definition available.

+ Details

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- Definition

Ratio of consolidated Net debt outstanding that is secured by a lien on any property the company owns to consolidated cash flows.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 835
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-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph e
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- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399

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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

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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