Accumulated Other Comprehensive Income (Loss) - Detail of Amount Reclassified from Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Accumulated Other Comprehensive Income Loss [Line Items]
Total reclassifications for the period				$ (2.1)	$ (5.8)
Other income (expense), net	[1],[2]	$ 9.4	$ (11.8)	20.3	(4.7)
Interest expense, net		44.8	49.1	131.3	143.4
Total pre-tax amount		(109.0)	(106.2)	(339.3)	(274.3)
Tax benefit		33.4	43.7	388.4	236.5
Net earnings from continuing operations		(75.6)	(62.5)	49.1	(37.8)
Defined benefit pension plans and other post-employment benefits
Accumulated Other Comprehensive Income Loss [Line Items]
Total reclassifications for the period				(1.6)	(4.9)
Total reclassifications for the period
Accumulated Other Comprehensive Income Loss [Line Items]
Total reclassifications for the period		0.2	(3.0)	(2.1)	(5.8)
Total reclassifications for the period | Prior service costs
Accumulated Other Comprehensive Income Loss [Line Items]
Total pre-tax amount		0.0	0.4	0.2	1.3
Total reclassifications for the period | Actuarial losses
Accumulated Other Comprehensive Income Loss [Line Items]
Total pre-tax amount		(0.9)	(2.8)	(2.5)	(8.3)
Total reclassifications for the period | Defined benefit pension plans and other post-employment benefits
Accumulated Other Comprehensive Income Loss [Line Items]
Total pre-tax amount		(0.9)	(2.4)	(2.3)	(7.0)
Tax benefit		0.3	1.0	0.7	2.1
Total reclassifications for the period		(0.6)	(1.4)	(1.6)	(4.9)
Total reclassifications for the period | Net gains (losses) on cash flow hedging derivatives
Accumulated Other Comprehensive Income Loss [Line Items]
Total pre-tax amount		1.1	(2.4)	(0.6)	(1.5)
Tax benefit		(0.3)	0.8	0.1	0.6
Net earnings from continuing operations		0.8	(1.6)	(0.5)	(0.9)
Total reclassifications for the period | Net gains (losses) on cash flow hedging derivatives | Foreign currency forward contracts
Accumulated Other Comprehensive Income Loss [Line Items]
Other income (expense), net		1.1	(0.1)	(0.7)	1.8
Total reclassifications for the period | Net gains (losses) on cash flow hedging derivatives | Interest rate and currency swaps
Accumulated Other Comprehensive Income Loss [Line Items]
Other income (expense), net		0.0	(2.3)	0.0	(3.4)
Total reclassifications for the period | Net gains (losses) on cash flow hedging derivatives | Treasury locks
Accumulated Other Comprehensive Income Loss [Line Items]
Interest expense, net		$ 0.0	$ 0.0	$ 0.1	$ 0.1

[1] As part of our review of costs included in the corporate segment, amounts related to division operations were identified and reclassified out of other (expense) income, net to cost of sales. The impact for the three and nine months ended September 30, 2017 was $2.1 million and $5.3 million, respectively.

[2] Due to the adoption of ASU 2017-07, certain amounts related to defined benefit and other post-employment benefit plans were reclassified from cost of sales to other (expense) income, net. Refer to Note 2, "Recently Adopted and Issued Accounting Standards," in the Notes to Condensed Consolidated Financial Statements for more information.