Condensed Consolidated Statements of Cash Flows (Unaudited) (Parenthetical) (USD $) In Thousands, unless otherwise specified	6 Months Ended
Jun. 30, 2011	Jun. 30, 2011 Senior Notes	Jun. 30, 2010 Senior Notes	Jun. 30, 2011 Senior Subordinated Notes	Jun. 30, 2010 Senior Subordinated Notes
FINANCING ACTIVITIES
Senior notes, interest rate		8.125%	8.125%	8.375%	8.375%
Bond redemption costs included in interest paid	$ 5,720

Interest rate stated in the contractual debt agreement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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