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Statements of Cash Flows	6 Months Ended
Statements of Cash Flows	Jun. 30, 2011
Statements of Cash Flows [Abstract]
Statements of Cash Flows	Note 8 ¾ Statements of Cash Flows Cash is comprised of demand deposits. Cash paid for interest was $19.7 million and $16.0 million, respectively, for the six months ended June 30, 2011 and 2010. Cash paid for taxes was $0.4 million and $0.5 million for the six months ended June 30, 2011 and 2010, respectively.