XML 114 R44.htm IDEA: XBRL DOCUMENT v2.4.0.8
INCOME TAXES - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Income Tax Disclosure [Abstract]        
Income tax expense $ 14.4 $ 37.4 $ 29.4 $ 62.0
Effective income tax rate 36.70% 69.80% 39.90% 69.90%