Note 7 - Credit Agreements (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	1 Months Ended	3 Months Ended		6 Months Ended
	May 31, 2013	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013	Dec. 31, 2012
Note 7 - Credit Agreements (Details) [Line Items]
Common Stock, Dividends, Per Share, Declared (in Dollars per share)	$ 5.00		$ 5.00		$ 5.00
Gain on Change in Contractual Interest Rate		$ 16,014		$ 16,014
Cash and Cash Equivalents, at Carrying Value		197,959	126,598	197,959	126,598	150,147	108,023
Repayments of Long-term Debt		12,000
Short-term Debt		6,509		6,509		9,575
Net Debt Leverage Ratio Threshold [Member] | Term Loan [Member] | Base Rate [Member]
Note 7 - Credit Agreements (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate		1.50%
Net Debt Leverage Ratio Threshold [Member] | Term Loan [Member] | Adjusted LIBOR Rate [Member]
Note 7 - Credit Agreements (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate		2.50%
Net Debt Leverage Ratio Threshold [Member] | Term Loan [Member]
Note 7 - Credit Agreements (Details) [Line Items]
Net Debt Leverage Ratio Threshold		3.00
Term Loan [Member] | Base Rate [Member]
Note 7 - Credit Agreements (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate				1.75%
Term Loan [Member] | Adjusted LIBOR Rate [Member]
Note 7 - Credit Agreements (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate				2.75%
Term Loan [Member] | LIBOR Floor Rate [Member]
Note 7 - Credit Agreements (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate				0.75%
Term Loan [Member]
Note 7 - Credit Agreements (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	1,200,000
Uncommitted Incremental Term Loan Facility	300,000
Debt Instrument, Maturity Date	May 31, 2020
Percentage of Term Loan Amortization				0.25%
Debt Instrument, Interest Rate, Increase (Decrease)		0.25%
Gain on Change in Contractual Interest Rate		16,014
ABL Revolving Credit Facility [Member] | Base Rate [Member]
Note 7 - Credit Agreements (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate				1.00%
ABL Revolving Credit Facility [Member] | Adjusted LIBOR Rate [Member]
Note 7 - Credit Agreements (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate				2.00%
ABL Revolving Credit Facility [Member]
Note 7 - Credit Agreements (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	150,000
Debt Instrument, Maturity Date	May 31, 2018
Debt Instrument, Extension Period	1 year
Fixed Charge Coverage Ratio in Multiple				1.0
Qualified Cash		5,000		5,000
Percentage of Aggregate Commitments				10.00%
Amount Availability Under Agreements as per Covenants				10,000
Long-term Line of Credit		0		0
Line of Credit Facility, Remaining Borrowing Capacity		148,500		148,500
Revolving Credit Facility [Member]
Note 7 - Credit Agreements (Details) [Line Items]
Deferred Finance Costs, Net			21,546		21,546
Payments for Fees					13,797
Debt Instrument, Fee Amount			7,100		7,100
Write off of Deferred Debt Issuance Cost					$ 5,473