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Note 8 - Long-term Debt (Tables)

12 Months Ended

Dec. 31, 2014

Disclosure Text Block [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

		December 31,
		2014				2013
Variable interest rate term notes		$	74,834			$	76,162
Fixed interest rate term notes			503,420				406,619
Total debt			578,254				482,781
Less: current maturities			(149,065	)			(97,243	)
Total long-term debt, net of current maturities		$	429,189			$	385,538

Schedule of Maturities of Long-term Debt [Table Text Block]

2015		$	149,065
2016			131,793
2017			105,649
2018			85,404
2019			59,168
Thereafter			47,175
Total		$	578,254

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Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

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Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented.

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