Restructuring Initiatives (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended			30 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Mar. 31, 2015
Charges recorded to date
Other Restructuring Initiatives 2015 [Member]
Restructuring charges and other costs recorded in period	28.5
Other Restructuring Initiatives 2015 [Member] | Employee-Related Costs [Member]
Restructuring charges and other costs recorded in period	26.6
Other Restructuring Initiatives 2015 [Member] | Professional Service Fees [Member]
Restructuring charges and other costs recorded in period	1.9
Other Restructuring Initiatives [Member]
Restructuring charges and other costs recorded in period	(0.2)	0.6
Minimum [Member] | Other Restructuring Initiatives 2015 [Member]
Expected annualized savings before taxes	35
Maximum [Member] | Other Restructuring Initiatives 2015 [Member]
Expected annualized savings before taxes	40
$400M Cost Savings Initiative [Member]
Charges recorded to date	1.6		82.0	51.0	48.5	183.1
Restructuring charges and other costs recorded in period	4.8	22.1				235.2
$400M Cost Savings Initiative [Member] | Employee-Related Costs [Member]
Charges recorded to date						168.6
Restructuring charges and other costs recorded in period	1.0	14.9
$400M Cost Savings Initiative [Member] | Contract Terminations / Other [Member]
Charges recorded to date						13.6
Restructuring charges and other costs recorded in period	0.6	1.3
$400M Cost Savings Initiative [Member] | Accelerated Depreciation [Member]
Restructuring charges and other costs recorded in period	0.7	1.4
$400M Cost Savings Initiative [Member] | Professional Service Fees [Member]
Restructuring charges and other costs recorded in period	2.5	4.5
$400M Cost Savings Initiative [Member] | Currency Translation Adjustment Write Offs [Member]
Charges recorded to date						0.2
$400M Cost Savings Initiative [Member] | Minimum [Member]
Expected total restructuring charges and other costs	250					250
Estimated charges to be incurred on approved initiatives	15					15
Expected annualized savings before taxes						275
$400M Cost Savings Initiative [Member] | Maximum [Member]
Expected annualized savings before taxes						285
Latin America [Member] | Other Restructuring Initiatives 2015 [Member]
Charges recorded to date	3.3
Latin America [Member] | $400M Cost Savings Initiative [Member]
Charges recorded to date	(0.4)		24.5	11.1	12.9	48.1
Europe Middle East & Africa [Member] | Other Restructuring Initiatives 2015 [Member]
Charges recorded to date	5.3
Europe Middle East & Africa [Member] | $400M Cost Savings Initiative [Member]
Charges recorded to date	0.1		19.9	15.6	1.1	36.7
North America [Member] | Other Restructuring Initiatives 2015 [Member]
Charges recorded to date	1.6
North America [Member] | $400M Cost Savings Initiative [Member]
Charges recorded to date	1.6		14.0	5.3	18.0	38.9
Asia Pacific [Member] | Other Restructuring Initiatives 2015 [Member]
Charges recorded to date	7.0
Asia Pacific [Member] | $400M Cost Savings Initiative [Member]
Charges recorded to date	0.6		6.5	1.3	12.9	21.3
Corporate [Member] | Other Restructuring Initiatives 2015 [Member]
Charges recorded to date	9.4
Corporate [Member] | $400M Cost Savings Initiative [Member]
Charges recorded to date	$ (0.3)		$ 17.1	$ 17.7	$ 3.6	$ 38.1