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Condensed Consolidated Statements Of Earnings And Comprehensive Income (Parenthetical) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Condensed Consolidated Statements Of Earnings And Comprehensive Income [Abstract]        
Net loss from discontinued operations, tax benefit   $ 0.3   $ 0.6
Loss on sale of discontinued business, tax benefit $ 0.4   $ 0.5