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Restructuring Reserve Table (Details) - USD ($) $ in Millions	12 Months Ended			27 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2018
Restructuring Reserve [Roll Forward]
Restructuring reserve	$ 0.3	$ 9.8	$ 0.0
Restructuring charges	44.2	17.4	15.3
Cash utilization	(10.5)	(25.4)	(1.0)
Non-cash utilization	(30.0)	(1.5)	(4.5)
Restructuring reserve	4.0	0.3	9.8	$ 4.0
2016 Restructuring Plan - Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring charges				2.8
2016 Restructuring Plan - Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring charges				29.6
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve	0.3	0.6	0.0
Restructuring charges	2.5	2.0	0.6
Cash utilization	(0.4)	(2.3)	0.0
Non-cash utilization	0.0	0.0	0.0
Restructuring reserve	2.4	0.3	0.6	2.4
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve	0.0	9.2	0.0
Restructuring charges	11.7	13.9	10.2
Cash utilization	(10.1)	(23.1)	(1.0)
Non-cash utilization	0.0	0.0	0.0
Restructuring reserve	1.6	0.0	9.2	1.6
Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve	0.0	0.0	0.0
Restructuring charges	30.0	1.5	4.5
Cash utilization	0.0	0.0	0.0
Non-cash utilization	(30.0)	(1.5)	(4.5)
Restructuring reserve	$ 0.0	$ 0.0	$ 0.0	$ 0.0

X

- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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