XML 40 R44.htm IDEA: XBRL DOCUMENT v2.4.0.6
Goodwill and Other Intangible Assets - Estimated Future Annual Amortization Expense for Intangible Assets (Detail) (USD $)
In Millions, unless otherwise specified
Sep. 30, 2012
Intangible Assets Disclosure [Line Items]  
2012 $ 64.9
2013 54.3
2014 44.1
2015 35.5
2016 26.4
2017 $ 19.8