Annual report pursuant to Section 13 and 15(d)

Indefinite-Lived Intangible Assets (Detail)

v2.4.0.6
Indefinite-Lived Intangible Assets (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2010
Indefinite-lived Intangible Assets [Line Items]    
Balance $ 95.6 $ 95.6
Foreign currency translation 0.1  
Acquisitions 158.8  
Balance $ 254.5 $ 95.6