Restatement Of Previously Issued Financial Statements (Schedule Of Discontinued Operations) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Loss from disposal of discontinued operations before income tax	$ (31.2)	$ (19.3)	$ (109.3)
(Loss) from disposal of discontinued businesses, net of tax (benefit) of ($5.2), ($6.0) and ($4.1)	(26.0)	(13.3)	(105.2)
Net loss from operations	(27.8)	(3.7)	(101.0)
EMEA and Pacific Rim Business [Member]
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Loss from disposal of discontinued operations before income tax	(31.2)	(19.3)	(109.2)
(Loss) from disposal of discontinued businesses, net of tax (benefit) of ($5.2), ($6.0) and ($4.1)	(31.2)	(19.3)	(109.2)
Net loss from operations	$ (33.0)	$ (9.7)	(105.0)
As Reported [Member]
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Loss from disposal of discontinued operations before income tax			(74.1)
(Loss) from disposal of discontinued businesses, net of tax (benefit) of ($5.2), ($6.0) and ($4.1)			(70.0)
Net loss from operations			(65.8)
As Reported [Member] | EMEA and Pacific Rim Business [Member]
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Loss from disposal of discontinued operations before income tax			(74.0)
(Loss) from disposal of discontinued businesses, net of tax (benefit) of ($5.2), ($6.0) and ($4.1)			(74.0)
Net loss from operations			(69.8)
Restated [Member]
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Loss from disposal of discontinued operations before income tax			(109.3)
(Loss) from disposal of discontinued businesses, net of tax (benefit) of ($5.2), ($6.0) and ($4.1)			(105.2)
Net loss from operations			(101.0)
Restated [Member] | EMEA and Pacific Rim Business [Member]
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Loss from disposal of discontinued operations before income tax			(109.2)
(Loss) from disposal of discontinued businesses, net of tax (benefit) of ($5.2), ($6.0) and ($4.1)			(109.2)
Net loss from operations			$ (105.0)