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Debt (Tables)

6 Months Ended

Jun. 30, 2012


in thousands	*June 30* *2012*		December 31 2011		June 30 2011
Short-term Borrowings
Bank line of credit						$100,000
Total short-term borrowings						$100,000
Long-term Debt
Bank line of credit		$0		$0
5.60% notes due 2012 ¹		134,535		134,508		$134,483
6.30% notes due 2013 ²		140,382		140,352		140,322
10.125% notes due 2015 ³		153,100		153,464		149,628
6.50% notes due 2016 ⁴		516,701		518,293		500,000
6.40% notes due 2017 ⁵		349,878		349,869		349,861
7.00% notes due 2018 ⁶		399,711		399,693		399,675
10.375% notes due 2018 ⁷		248,599		248,526		248,457
7.50% notes due 2021 ⁸		600,000		600,000		600,000
7.15% notes due 2037 ⁹		239,549		239,545		239,717
Medium-term notes		16,000		16,000		21,000
Industrial revenue bonds		14,000		14,000		14,000
Other notes		1,084		1,189		1,349
Fair value adjustments ¹⁰		0		0		(7,419	)
Total long-term debt including current maturities		$2,813,539		$2,815,439		$2,791,073
Less current maturities of long-term debt		285,152		134,762		5,230
Total long-term debt		$2,528,387		$2,680,677		$2,785,843

Estimated fair value of long-term debt		$2,636,409		$2,796,504		$2,857,684

Includes decreases for unamortized discounts, as follows: June 30, 2012 — $22 thousand, December 31, 2011 — $49 thousand and June 30, 2011 — $74 thousand. The effective interest rate for these notes is 6.57%.

Includes decreases for unamortized discounts, as follows: June 30, 2012 — $62 thousand, December 31, 2011 — $92 thousand and June 30, 2011 — $122 thousand. The effective interest rate for these notes is 7.48%.

Includes an increase for the unamortized portion of the deferred gain realized upon the August 2011 settlement of interest rate swaps, as follows: June 30, 2012 — $3,402 thousand and December 31, 2011 — $3,802 thousand. Additionally, includes decreases for unamortized discounts, as follows: June 30, 2012 — $302 thousand, December 31, 2011 — $338 thousand, and June 30, 2011 — $372 thousand. The effective interest rate for these notes is 9.59%.

⁴

Includes an increase for the unamortized portion of the deferred gain realized upon the August 2011 settlement of interest rate swaps, as follows: June 30, 2012 — $16,701 thousand and December 31, 2011 — $18,293 thousand. The effective interest rate for these notes is 6.02%.

⁵

Includes decreases for unamortized discounts, as follows: June 30, 2012 — $122 thousand, December 31, 2011 — $131 thousand and June 30, 2011 — $139 thousand. The effective interest rate for these notes is 7.41%.

⁶

Includes decreases for unamortized discounts, as follows: June 30, 2012 — $289 thousand, December 31, 2011 — $307 thousand and June 30, 2011 — $325 thousand. The effective interest rate for these notes is 7.87%.

⁷

Includes decreases for unamortized discounts, as follows: June 30, 2012 — $1,401 thousand, December 31, 2011 — $1,474 thousand and June 30, 2011 — $1,543 thousand. The effective interest rate for these notes is 10.62%.

⁸

The effective interest rate for these notes is 7.75%.

⁹

Includes decreases for unamortized discounts, as follows: June 30, 2012 — $639 thousand, December 31, 2011 — $643 thousand and June 30, 2011 — $646 thousand. The effective interest rate for these notes is 8.05%.

¹⁰

See Note 5 for additional information about our fair value hedging strategy.