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Statements Of Cash Flow
3 Months Ended
Mar. 31, 2012
Supplemental Cash Flow Information [Abstract]  
Statements Of Cash Flow
Statements of Cash Flow
Interest payments were $45,358,000 and $44,927,000 and income taxes paid were $3,249,000 and $7,330,000 in the three months ended March 31, 2012 and 2011, respectively.