Commitments And Contingencies	3 Months Ended
Commitments And Contingencies	Mar. 31, 2013
Commitments And Contingencies [abstract]
Commitments And Contingencies	Guarantees of Indebtedness The payments of principal and interest on our senior notes are guaranteed by our principal operating subsidiary. As of March 31, 2013 and December 31, 2012, the par value of the senior notes was $1,500.0 million. See Note 15 - "Guarantor Consolidating Financial Statements" for further discussion.

The entire disclosure for commitments and contingencies.

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