Debt (Tables)

9 Months Ended

Sep. 30, 2014

Debt Disclosure [Abstract]

Contingent Interest on Debt [Table Text Block]

The contingent interest is accrued at the respective rate applied to the average trading price of the Trust PIERS for the five trading days ending on the respective date as outlined in the table below:

Accrual Period		Contingent Interest Rate	Trading price period end date	Cash interest paid per $50 stated liquidation amount of Trust PIERS		Payment Date
Start Date	End Date
December 15, 2013	March 14, 2014	0.125%	December 12, 2013	$	0.09	March 17, 2014
March 15, 2014	June 14, 2014	0.125%	March 13, 2014	$	0.09	June 16, 2014
June 15, 2014	September 15, 2014	0.125%	June 12, 2014	$	0.09	September 15, 2014
September 15, 2014	December 14, 2014	0.125%	September 12, 2014	$	0.10	December 15, 2014

Fair Value, by Balance Sheet Grouping [Table Text Block]

The fair value of the Company’s fixed-rate debt facilities, excluding the Interest Rate Swap Agreements, is based on quoted market prices (Level II) and is summarized as follows (in thousands):

Fair Value of Financial Instruments
	September 30, 2014				December 31, 2013
Financial Instrument	Book Value		Market Value		Book Value		Market Value
7.75% senior subordinated notes, due 2020	$	400,000	$	421,000	$	400,000	$	435,800
3.75% convertible senior subordinated notes, due 2025
Carrying value	53,801		—		87,310		—
Unamortized debt discount	26,178		—		45,098		—
Principal amount	79,979		180,800		132,408		306,500
4.00% junior subordinated convertible debentures, due 2033
Carrying value	188,124		—		186,136		—
Unamortized debt discount	118,998		—		121,017		—
Principal amount	307,122		468,300		307,153		455,900
3.25% convertible senior debentures, due 2035
Carrying value	405,419		—		393,126		—
Unamortized debt discount	22,081		—		34,374		—
Principal amount	427,500		450,000		427,500		457,400
3.75% convertible senior subordinated notes, due 2042
Carrying value	226,389		—		225,014		—
Unamortized debt discount	163,611		—		164,986		—
Principal amount	390,000		608,000		390,000		592,800
3.50% convertible senior subordinated notes, due 2044
Carrying value	218,003		—		216,643		—
Unamortized debt discount	206,247		—		207,607		—
Principal amount	424,250		469,600		424,250		428,500

Summary of Debt

(in thousands):

	September 30, 2014			December 31, 2013
Revolving credit facility, due 2017	$	—		$	—
Senior term loan, due 2017	382,500			398,438
7.75% senior subordinated notes, due 2020	400,000			400,000
3.75% convertible senior subordinated notes, due 2025	79,979			132,408
4.00% junior subordinated convertible debentures, due 2033	307,122			307,153
3.25% convertible senior debentures, due 2035	427,500			427,500
3.75% convertible senior subordinated notes, due 2042	390,000			390,000
3.50% convertible senior subordinated notes, due 2044	424,250			424,250
Capitalized lease and other debt obligations	14,906			20,685
Subtotal	2,426,257			2,500,434
Add interest rate swap agreements	18,041			18,671
(Subtract) unamortized debt discount	(537,115		)	(573,082		)
(Subtract) current portion of debt	(495,713		)	(527,204		)
Total long-term debt, net	$	1,411,470		$	1,418,819

Convertible debt and related equity

Information relating to the Company’s convertible securities at September 30, 2014 is in the following table:

Convertible Debt	Carrying Value of Equity Component (in thousands)		Remaining Amortization Period	Effective Interest Rate
3.75% convertible senior subordinated notes, due 2025	$	6,913	11.25	8.25	%
4.00% junior subordinated convertible debentures, due 2033	$	118,348	18.75	8.01	%
3.25% convertible senior debentures, due 2035	$	245,433	1.25	7.63	%
3.75% convertible senior subordinated notes, due 2042	$	167,941	27.50	7.30	%
3.50% convertible senior subordinated notes, due 2044	$	208,200	29.40	7.70	%