Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Comprehensive Income (Parenthetical)

v2.4.0.6
Consolidated Statements of Comprehensive Income (Parenthetical) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Statement of Other Comprehensive Income [Abstract]    
Change in fair value of derivative instruments, tax $ (0.9) $ 0
Reclassification of settled contracts, tax $ 1.2 $ 0