Restructuring Initiatives Schedule of Restructuring Costs related to the $400M Savings Initiative (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended			30 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Mar. 31, 2015
Restructuring Cost and Reserve [Line Items]
Charges recorded to date
$400M Cost Savings Initiative [Member]
Restructuring Cost and Reserve [Line Items]
Charges recorded to date	1.6	82.0	51.0	48.5	183.1
Estimated charges to be incurred on approved initiatives					9.6
Total expected charges on approved initiatives					192.7
$400M Cost Savings Initiative [Member] | Employee-Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Charges recorded to date					168.6
Estimated charges to be incurred on approved initiatives					0.5
Total expected charges on approved initiatives					169.1
$400M Cost Savings Initiative [Member] | Inventory/ Asset Write-offs [Member]
Restructuring Cost and Reserve [Line Items]
Charges recorded to date					0.7
Estimated charges to be incurred on approved initiatives					3.4
Total expected charges on approved initiatives					4.1
$400M Cost Savings Initiative [Member] | Currency Translation Adjustment Write Offs [Member]
Restructuring Cost and Reserve [Line Items]
Charges recorded to date					0.2
Estimated charges to be incurred on approved initiatives					0
Total expected charges on approved initiatives					0.2
$400M Cost Savings Initiative [Member] | Contract Terminations / Other [Member]
Restructuring Cost and Reserve [Line Items]
Charges recorded to date					13.6
Estimated charges to be incurred on approved initiatives					5.7
Total expected charges on approved initiatives					$ 19.3