Restructuring Initiatives Restructuring Initiatives (Liability Balances for $400M Cost Savings Initiative) (Details) - $400M Cost Savings Initiative [Member] $ in Millions	9 Months Ended
	Sep. 30, 2015 USD ($)
Balance Period Start	$ 50.6
2015 Charges	10.0
Adjustments	(3.8)
Cash payments	(36.2)
Non-cash write-offs	(1.9)
Foreign exchange	(1.6)
Balance Period End	17.1
Employee-Related Costs [Member]
Balance Period Start	50.1
2015 Charges	4.3
Adjustments	(3.8)
Cash payments	(30.3)
Non-cash write-offs	(1.9)
Foreign exchange	(1.5)
Balance Period End	16.9
Contract Terminations / Other [Member]
Balance Period Start	0.5
2015 Charges	5.7
Adjustments	0.0
Cash payments	(5.9)
Non-cash write-offs	0.0
Foreign exchange	(0.1)
Balance Period End	$ 0.2