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Goodwill and Other Intangible Assets (Details) (USD $)
In Millions, unless otherwise specified
9 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2012
Environmental Solutions [Member]
Dec. 31, 2011
Environmental Solutions [Member]
Sep. 30, 2012
Fire Rescue [Member]
Sep. 30, 2012
Safety and Security Systems [Member]
Summary of goodwill          
Goodwill, Beginning balance $ 270.6 $ 120.4 $ 120.4 $ 33.2 $ 117.0
Goodwill, Currency Translation Adjustments 0.4     0.3 0.1
Goodwill, Ending balance $ 271.0 $ 120.4 $ 120.4 $ 33.5 $ 117.1