Annual report pursuant to Section 13 and 15(d)

ACQUISITIONS (Schedule Of Unaudited Consolidated Proforma Information) (Details)

v2.4.0.8
Betfred
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2011
Consolidated Thompson [Member]
Dec. 31, 2010
Consolidated Thompson [Member]
Business Acquisition [Line Items]          
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest $ 361.8 $ (1,126.6) $ 1,812.6    
REVENUES FROM PRODUCT SALES AND SERVICES       6,772.3 4,784.6
NET INCOME (LOSS) ATTRIBUTABLE TO CLIFFS SHAREHOLDERS       $ 1,612.3 $ 912.5
EARNINGS (LOSS) PER COMMON SHARE ATTRIBUTABLE TO CLIFFS SHAREHOLDERS - BASIC       $ 11.50 $ 6.74
EARNINGS (LOSS) PER COMMON SHARE ATTRIBUTABLE TO CLIFFS SHAREHOLDERS - DILUTED       $ 11.43 $ 6.70