Benefit Plans (Status Of Defined Benefit Plans) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at beginning of year	$ 67.9
Cash contributions to pension plans	4.8
Fair value of plan assets at end of year	70.5
Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation at beginning of year	81.2	129.8
Service cost	0.9	1.7	1.6
Interest cost	4.6	6.9	6.8
Plan participants' contributions	0	0.3
Actuarial loss	7.0	16.1
Settlements/curtailments	0	(64.4)
Effects of exchange rate changes/ other	(1.0)	(1.1)
Benefits paid	(4.6)	(8.0)
Benefit obligation at end of year	88.1	81.2	129.8
Fair value of plan assets at beginning of year	67.9	113.7
Actual return on plan assets	3.2	6.8
Cash contributions to pension plans	4.8	19.3
Plan participants' contributions	0	0.3
Effects of exchange rate changes/ other	(0.8)	(1.0)
Settlements	0	(63.2)
Fair value of plan assets at end of year	70.5	67.9	113.7
Funded status at end of year, recorded in Pension and Postretirement Benefits	(17.6)	(13.3)
Amounts Recognized in Accumulated Other Comprehensive Income:
Prior Service Credit	0.1	(0.1)
Actuarial Loss	17.6	10.2
Net Loss (Income) Recognized in Accumulated Other Comprehensive Income	17.7	10.1
Nonpension Postretirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation at beginning of year	24.3	22.3
Service cost	0.4	0.3	0.3
Interest cost	1.3	1.3	1.2
Plan participants' contributions	0.3	0.2
Actuarial loss	3.0	1.4
Settlements/curtailments	(0.5)	0
Effects of exchange rate changes/ other	(0.1)	0.2
Benefits paid	(1.5)	(1.5)
Benefit obligation at end of year	27.2	24.3	22.3
Fair value of plan assets at beginning of year	0	0
Actual return on plan assets	0	0
Cash contributions to pension plans	1.2	1.3
Plan participants' contributions	0.3	0.2
Effects of exchange rate changes/ other	0	0
Settlements	0	0
Fair value of plan assets at end of year	0	0	0
Funded status at end of year, recorded in Pension and Postretirement Benefits	(27.2)	(24.3)
Amounts Recognized in Accumulated Other Comprehensive Income:
Prior Service Credit	(0.5)	0.1
Actuarial Loss	3.7	0.8
Net Loss (Income) Recognized in Accumulated Other Comprehensive Income	$ 3.2	$ 0.9