Accumulated Other Comprehensive Loss (Reclassifications From Accumulated Other Comprehensive Loss to Net Earnings (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications for the period, before tax	$ 6.5	$ 7.7	$ 6.5	$ 7.7
Impact of income taxes on total reclassifications	(2.5)	0.0	(2.5)	0.0
Total reclassifications for the period, net of tax	4.0	7.7	4.0	7.7
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest [Member] | Restructuring Charges [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Revaluation loss on sale of equity method investment	0.0	7.7	0.0	7.7
Accumulated Defined Benefit Plans Adjustment, Net Transition Including Portion Attributable to Noncontrolling Interest [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Settlement charge on pension benefit plans, net of tax	4.0	0.0	4.0	0.0
Accumulated Defined Benefit Plans Adjustment, Net Transition Including Portion Attributable to Noncontrolling Interest [Member] | Restructuring Charges [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Settlement charge on pension benefit plans, before tax	6.5	0.0	6.5	0.0
Accumulated Defined Benefit Plans Adjustment, Net Transition Including Portion Attributable to Noncontrolling Interest [Member] | Income Tax Expense (Benefit) [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income tax benefit on pension settlement charge	$ (2.5)	$ 0.0	$ (2.5)	$ 0.0