Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2012

Long-Term Debt [Abstract]

Long-term debt

	March 31, 2012		December 31, 2011
7-1/8% senior notes due 2017	$	250,000	$	250,000
8-7/8% senior notes due 20201		221,940		221,873
7-7/8% senior notes due 20221		247,935		247,902
Bank Borrowings		—		—
Long-Term Debt 1	$	719,875	$	719,775

(1) Amounts are shown net of debt discount