Note 10 - Long-term Debt (Tables)

3 Months Ended

Mar. 31, 2016

Notes Tables

Schedule of Debt [Table Text Block]

	December 31,			March 31 ,
	2015			2016
Notes Payable (a)	$	500,000		$	500,000
Deferred financing costs related to Notes Payable (a)		(6,874	)		(6,641	)
Senior Secured Revolving Credit Facility, Bank of America, N.A. (b)		—			50,000
Working capital facilities, Barclays (c)		35,243			32,578
Totals	$	528,369		$	575,937

Schedule of Guarantor Obligations [Table Text Block]

Pricing Tier	Consolidated Leverage Ratio					Commitment Fee/Unused Line Fee	Letter of Credit Fee	Eurocurrency Rate Loans	Base Rate Loans
1	≥	4.00	to 1.0			0.45%	2.75%	2.75%	1.75%
2	≥	3.50	to 1.0 but <	4.00	to 1.0	0.40%	2.50%	2.50%	1.50%
3	≥	3.00	to 1.0 but <	3.50	to 1.0	0.35%	2.25%	2.25%	1.25%
4	≥	2.50	to 1.0 but <	3.00	to 1.0	0.30%	2.00%	2.00%	1.00%
5			<	2.50	to 1.0	0.30%	1.75%	1.75%	0.75%

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

	Amount
Nine months ended December 31, 2016	$	—
Years ended December 31:
2017		—
2018		32,578
2019		—
2020		50,000
Thereafter		500,000
Total	$	582,578