Consolidated Comprehensive Income Statements (Parenthetical) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2015
Mar. 31, 2014
Consolidated Comprehensive Income Statements [Abstract]        
Tax effect on translation adjustments $ 61.4 $ (8.1) $ 77.5 $ (21.7)
Tax effect on net gain (loss) on derivatives (1.4) 0.5 (12.8) 5.3
Tax effect on pension and postretirement benefits (2.7) 0 (2.7) 0
Tax effect on derivatives reclassified to earnings 6.2 (3.6) 11.6 (8.0)
Tax effect on pension and post retirement benefits reclassified $ 14.7 $ 9.6 $ 24.8 $ 19.2