Operating Leases (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Operating Leased Assets [Line Items]
2016	$ 57.4
2017	44.5
2018	37.3
2019	25.9
2020	18.5
Later years	40.3
Future Minimum Payments Due	223.9
Rent expense	92.5	$ 101.7	$ 100.4
Buildings
Operating Leased Assets [Line Items]
2016	39.4
2017	30.3
2018	24.5
2019	18.0
2020	14.0
Later years	39.8
Future Minimum Payments Due	166.0
Vehicles
Operating Leased Assets [Line Items]
2016	7.7
2017	4.1
2018	1.8
2019	0.3
2020	0.1
Later years	0.0
Future Minimum Payments Due	14.0
Other machinery and equipment
Operating Leased Assets [Line Items]
2016	10.3
2017	10.1
2018	11.0
2019	7.6
2020	4.4
Later years	0.5
Future Minimum Payments Due	$ 43.9