Long-term Debt

Obligations in the form of senior notes and borrowings under the revolving credit facility are as follows:



	March 31, 2012			December 31, 2011
Senior notes	$	1,354,915		$	1,355,147
Revolving loans	250,000			332,000
Total	1,604,915			1,687,147
Less: current portion	—			—
Long-term debt	$	1,604,915		$	1,687,147
Availability under revolving credit facility:
Total credit facility limit	$	900,000		$	900,000
Revolving loans	(250,000		)	(332,000		)
Letters of credit	(11,500		)	(19,000		)
Total available	$	638,500		$	549,000

Scheduled maturities of long-term debt at March 31, 2012 are as follows:



Years Ending December 31,	Amount
2012 (remainder)	$	—
2013	—
2014	250,000
2015	—
2016	250,000
Thereafter	1,100,000		*
Total	$	1,600,000

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*	Excludes unamortized premiums of $4.9 million as of March 31, 2012.

Revolving Credit Facility. The weighted average interest rate on the total amounts outstanding under the Partnership's revolving credit facility was 3.09% and 2.78% as of March 31, 2012 and 2011, respectively.

Senior Notes. In April 2012, the Partnership exercised its option to redeem 35% or $87.5 million of its outstanding senior notes due 2016 at a price of 109.375% of the principal amount plus accrued interest.

At March 31, 2012, the Partnership was in compliance with all covenants.

Finance Corp., co-issuer for all of the Partnership’s senior notes, has no operations and will not have revenues other than as may be incidental. Since the Partnership has no independent operations, the guarantees are fully unconditional and joint and several of its subsidiaries, except for a few minor subsidiaries, and the Partnership has not included condensed consolidated financial information of guarantors of the senior notes.