XML 69 R27.htm IDEA: XBRL DOCUMENT v2.4.0.8
Debt (Tables)
 3 Months Ended
Mar. 31, 2014
Debt Disclosure [Abstract]  
Schedule of Senior Notes
Our senior notes are summarized as follows ($000’s omitted):
 
March 31,
2014
 
December 31,
2013
5.20% unsecured senior notes due February 2015 (a)
$
—

 
$
95,633

5.25% unsecured senior notes due June 2015 (a)
233,926

 
233,085

6.50% unsecured senior notes due May 2016 (a)
460,189

 
459,581

7.625% unsecured senior notes due October 2017 (b)
122,685

 
122,663

7.875% unsecured senior notes due June 2032 (a)
299,207

 
299,196

6.375% unsecured senior notes due May 2033 (a)
398,585

 
398,567

6.00% unsecured senior notes due February 2035 (a)
299,449

 
299,443

7.375% unsecured senior notes due June 2046 (a)
—

 
150,000

Total senior notes – carrying value (c)
$
1,814,041

 
$
2,058,168

Estimated fair value
$
1,891,326

 
$
2,070,744


(a)
Redeemable prior to maturity; guaranteed on a senior basis by certain wholly-owned subsidiaries.
(b)
Not redeemable prior to maturity; guaranteed on a senior basis by certain wholly-owned subsidiaries.
(c)
The recorded carrying value reflects the impact of various discounts and premiums that are amortized to interest cost over the respective terms of the senior notes