Debt (Tables)

9 Months Ended

Sep. 30, 2015

Debt Disclosure [Abstract]

Debt Instrument Redemption

The Company had the following senior notes outstanding as of September 30, 2015:

Issue Date	Face Amount		Interest Rate		Maturity Date	Issue Price
May 2014	$	250,000	4.40	%	June 2024	99.883	%
June 2013	250,000		4.25	%	June 2023	99.026	%
	$	500,000

Schedule of Line of Credit Facilities

A summary of the significant terms are as follows:

	Prior Maturity Date	New Maturity Date	Prior Interest Rate	Current Interest Rate
$400,000 Revolving Credit Facility(1)	02/2017	08/2019	LIBOR + 1.15%	LIBOR + 1.00%
$250,000 Term Loan(2)	02/2018	08/2020	LIBOR + 1.35%	LIBOR + 1.10%
$255,000 Term Loan(3)	01/2019	01/2021	LIBOR + 1.75%	LIBOR + 1.10%

(1) Maturity date can be extended to 08/2020 at the Company's option. The interest rate ranges from LIBOR plus 0.85% to 1.55% (previously 0.95% to 1.725%). At September 30, 2015, the unsecured revolving credit facility had $73,000 outstanding, outstanding letters of credit of $10,000 and availability of $317,000, subject to covenant compliance.

(2) The interest rate ranges from LIBOR plus 0.90% to 1.75% (previously 1.10% to 2.10%). The Company previously entered into aggregate interest-rate swap agreements to fix the LIBOR component at a weighted-average rate of 1.09% through February 2018 on the $250,000 of outstanding LIBOR-based borrowings.

(3) The interest rate ranges from LIBOR plus 0.90% to 1.75% (previously 1.50% to 2.25%). The Company previously entered into aggregate interest-rate swap agreements to fix the LIBOR component at a weighted-average rate of 1.42% through January 2019 on the $255,000 of outstanding LIBOR-based borrowings.

Schedule of Long-term Debt Instruments

Below is a summary of additional disclosures related to the 6.00% Convertible Guaranteed Notes due 2030.

	6.00% Convertible Guaranteed Notes due 2030
Balance Sheets:	September 30, 2015			December 31, 2014
Principal amount of debt component	$	12,400		$	16,228
Unamortized discount	(272		)	(564		)
Carrying amount of debt component	$	12,128		$	15,664
Carrying amount of equity component	$	(34,784	)	$	(33,160	)
Effective interest rate	7.7		%	8.1		%
Period through which discount is being amortized, put date	01/2017			01/2017
Aggregate if-converted value in excess of aggregate principal amount	$	3,054		$	10,432

	Three months ended September 30,				Nine months ended September 30,
Statements of Operations:	2015		2014		2015		2014
6.00% Convertible Guaranteed Notes
Coupon interest	$	185	$	375	$	577	$	1,196
Discount amortization	53		107		175		340
	$	238	$	482	$	752	$	1,536