Commitments And Contingencies	6 Months Ended
	Jun. 30, 2011
Commitments And Contingencies
Commitments And Contingencies	(9) Commitments and ContingenciesAs of June 30, 2011, our accounts receivable balance includes $4.2 million associated with one customer that terminated itsarrangement with us for convenience and, in addition, has disputed certain amounts we invoiced the customer prior to thetermination of the arrangement. We believe the receivable is a valid and enforceable claim under the terms of the arrangement,and we intend to aggressively pursue collection.Other than ordinary course, routine litigation incidental to our business and except as described in this Quarterly Report, there areno material legal proceedings pending to which we are party or to which any of our properties are subject.