Debt (Tables)

6 Months Ended

Jun. 30, 2013

Long-term Debt, Unclassified [Abstract]

Schedule of debt

Our total debt at June 30, 2013 and December 31, 2012 was comprised of the following (in thousands):

Debt, including current maturities:	June 30, 2013			December 31, 2012
Revolving Credit Facility	$	544,000		$	—
5.875% TLLP Senior Notes due 2020	350,000			350,000
Capital lease obligations	8,870			4,032
Total Debt	902,870			354,032
Current maturities	(314		)	(110		)
Debt, less current maturities	$	902,556		$	353,922

Schedule of line of credit facilities

The Revolving Credit Facility, at June 30, 2013, was subject to the following expenses and fees:

Credit Facility	30 day Eurodollar (LIBOR) Rate	Eurodollar Margin	Base Rate	Base Rate Margin	Commitment Fee (unused portion)
TLLP Revolving Credit Facility (a)	0.19%	2.00%	3.25%	1.00%	0.375%

____________

(a) We have the option to elect if the borrowings will bear interest at either a base rate plus the base rate margin, or a Eurodollar rate, for the applicable period, plus the Eurodollar margin at the time of the borrowing. The applicable margin varies based upon a certain leverage ratio, as defined by the Revolving Credit Facility. We also incur commitment fees for the unused portion of the Revolving Credit Facility at an annual rate. Letters of credit outstanding under the Revolving Credit Facility incur fees at the Eurodollar margin rate.