Restructuring Initiatives (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended				9 Months Ended		12 Months Ended			36 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Sep. 30, 2015
Charges recorded to date
Other Restructuring Initiatives 2015 [Member]
Restructuring charges and other costs recorded in period	$ (0.5)				$ 31.7
Expected annualized savings before taxes					35.0
Other Restructuring Initiatives 2015 [Member] | Employee-Related Costs [Member]
Restructuring Charges					27.3
Adjustments					(2.4)
Restructuring charges and other costs recorded in period	(1.9)				24.9
Payments for Restructuring					(16.8)
Restructuring Reserve, Translation Adjustment					(0.2)
Other Restructuring Initiatives 2015 [Member] | Professional Service Fees [Member]
Restructuring charges and other costs recorded in period	1.4				6.8
Other Restructuring Initiatives [Member]
Restructuring charges and other costs recorded in period	0.5			$ 0.1	0.4	$ 0.9
$400M Cost Savings Initiative [Member]
Restructuring Charges					10.0
Adjustments					(3.8)
Charges recorded to date	0.2	$ 4.4	$ 1.6				$ 82.0	$ 51.0	$ 48.5	$ 187.7
Restructuring charges and other costs recorded in period	0.2			2.4	12.7	75.5				243.1
Expected total restructuring charges and other costs	245.0				245.0					245.0
Payments for Restructuring					(36.2)
Restructuring Reserve, Translation Adjustment					(1.6)
$400M Cost Savings Initiative [Member] | Employee-Related Costs [Member]
Restructuring Charges					4.3
Adjustments					(3.8)
Charges recorded to date										168.1
Restructuring charges and other costs recorded in period	0.1			(3.0)	0.5	46.5
Payments for Restructuring					(30.3)
Restructuring Reserve, Translation Adjustment					(1.5)
$400M Cost Savings Initiative [Member] | Contract Terminations / Other [Member]
Restructuring Charges					5.7
Adjustments					0.0
Charges recorded to date										18.7
Restructuring charges and other costs recorded in period	0.1			(0.5)	5.7	7.0
Payments for Restructuring					(5.9)
Restructuring Reserve, Translation Adjustment					(0.1)
$400M Cost Savings Initiative [Member] | Accelerated Depreciation [Member]
Restructuring charges and other costs recorded in period	0.3			1.9	2.6	3.8
$400M Cost Savings Initiative [Member] | Professional Service Fees [Member]
Restructuring charges and other costs recorded in period	(0.3)			3.9	$ 3.9	8.8
$400M Cost Savings Initiative [Member] | Currency Translation Adjustment Write Offs [Member]
Charges recorded to date										0.2
Restructuring charges and other costs recorded in period				$ 0.1		$ 3.8
$400M Cost Savings Initiative [Member] | Minimum [Member]
Expected annualized savings before taxes										270.0
$400M Cost Savings Initiative [Member] | Maximum [Member]
Expected annualized savings before taxes										280.0
Latin America [Member] | $400M Cost Savings Initiative [Member]
Charges recorded to date	(0.5)	0.0	(0.4)				24.5	11.1	12.9	47.6
Europe Middle East & Africa [Member] | $400M Cost Savings Initiative [Member]
Charges recorded to date	(1.0)	0.2	0.1				19.9	15.6	1.1	35.9
North America [Member] | $400M Cost Savings Initiative [Member]
Charges recorded to date	1.9	4.9	1.6				14.0	5.3	18.0	45.7
Asia Pacific [Member] | $400M Cost Savings Initiative [Member]
Charges recorded to date	(0.2)	(0.1)	0.6				6.5	1.3	12.9	21.0
Corporate [Member] | $400M Cost Savings Initiative [Member]
Charges recorded to date	$ 0.0	$ (0.6)	$ (0.3)				$ 17.1	$ 17.7	$ 3.6	$ 37.5