Restructuring Initiatives Restructuring Charges Incurred to Date for $400M Cost Savings Initiative (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended			27 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2014
Charges incurred to date
$400M Cost Savings Initiative [Member]
Charges incurred to date	82.0	51.0	48.5	181.5
Estimated charges to be incurred on approved initiatives				14.5
Total expected charges on approved initiatives				196.0
$400M Cost Savings Initiative [Member] | Contract Terminations/ Other [Member]
Charges incurred to date				13.0
Estimated charges to be incurred on approved initiatives				6.0
Total expected charges on approved initiatives				19.0
$400M Cost Savings Initiative [Member] | Currency Translation Adjustment Write Offs [Member]
Charges incurred 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] | Employee Related Costs [Member]
Charges incurred to date				167.6
Estimated charges to be incurred on approved initiatives				4.4
Total expected charges on approved initiatives				172.0
$400M Cost Savings Initiative [Member] | Inventory and Asset Write Offs [Member]
Charges incurred to date				0.7
Estimated charges to be incurred on approved initiatives				4.1
Total expected charges on approved initiatives				$ 4.8