Fair Value (Tables)

3 Months Ended

Mar. 31, 2012

Fair Value [Abstract]

Fair Value And Carrying Value Of Debt Instruments

	March 31, 2012				December 31, 2011
	Fair Value		Carrying Value		Fair Value		Carrying Value
7.20% senior notes, payable April 15, 2012 interest payable semiannually (1)	$	334,925		336,270		336,606		336,270
6.125% notes, payable January 15, 2016 interest payable semiannually		989,100		900,000		963,900		900,000
Five-year senior secured credit facility, due July 8, 2016		411,700		411,700		298,000		298,000
Industrial revenue bonds, capital leases and other		51,758		51,758		52,169		52,169
Total long-term debt		1,787,483		1,699,728		1,650,675		1,586,439
Less current portion		57,309		57,309		386,591		386,255
Long-term debt, less current portion		1,730,174		1,642,419		1,264,084		1,200,184

(1) On April 16, 2012, the Company repaid the $336,270 principal amount of outstanding senior 7.20% notes, together with accrued interest of $12,106 at maturity using available borrowings under its Senior Credit Facility. As a result, the Company classified the outstanding senior 7.20% notes as long-term debt as of March 31, 2012.