Restructuring Initiatives Restructuring Charges Incurred to date for Transformation Plan (Details) - Transformation Plan [Member] $ in Millions	Dec. 31, 2017 USD ($)
Restructuring Cost and Reserve [Line Items]
Charges incurred to date on approved initiatives	$ 150.6
Estimated charges to be incurred on approved initiatives	15.3
Total expected charges on approved initiatives	165.9
Employee Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Charges incurred to date on approved initiatives	110.9
Estimated charges to be incurred on approved initiatives	7.3
Total expected charges on approved initiatives	118.2
Inventory/ Asset Write-Offs [Member]
Restructuring Cost and Reserve [Line Items]
Charges incurred to date on approved initiatives	1.0
Estimated charges to be incurred on approved initiatives	0.0
Total expected charges on approved initiatives	1.0
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Restructuring Cost and Reserve [Line Items]
Charges incurred to date on approved initiatives	2.7
Estimated charges to be incurred on approved initiatives	1.2
Total expected charges on approved initiatives	3.9
Contract Terminations/ Other [Member]
Restructuring Cost and Reserve [Line Items]
Charges incurred to date on approved initiatives	36.0
Estimated charges to be incurred on approved initiatives	6.8
Total expected charges on approved initiatives	$ 42.8