Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Change in Goodwill and Other Intangible Assets

The changes in the carrying amount of goodwill by operating segment for the years ended December 31, 2017 and 2016 are as follows:

	December 31, 2017
(In millions)	Beginning Balance		Acquisitions/ Dispositions	Currency		Ending Balance
Goodwill:
North America	$	23.9	7.8	0.3		32.0
South America	27.1		203.7	(15.9	)	214.9
Rest of World	135.2		55.0	16.6		206.8
Total Goodwill	$	186.2	266.5	1.0		453.7

	December 31, 2016
(In millions)	Beginning Balance		Acquisitions/ Dispositions		Currency		Ending Balance
Goodwill:
North America	$	22.3	—		1.6		23.9
South America	23.0		—		4.1		27.1
Rest of World	140.0		(0.2	)	(4.6	)	135.2
Total Goodwill	$	185.3	(0.2	)	1.1		186.2

Schedule of Intangible Assets and Goodwill

The following table summarizes our other intangible assets by category:

	December 31, 2017					December 31, 2016
(In millions)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount	Weighted-average amortization period
Customer relationships	137.5		(51.9	)	85.6	50.2		(43.5	)	6.7	8.9
Indefinite-lived trade names	7.9		—		7.9	7.5		—		7.5	—
Finite-lived trade names	8.4		(2.3	)	6.1	1.3		(1.2	)	0.1	3.8
Other contract-related assets	6.6		(3.0	)	3.6	6.7		(2.4	)	4.3	6.6
Other	6.5		(4.0	)	2.5	3.7		(3.2	)	0.5	2.1
Total	$	166.9	(61.2	)	105.7	$	69.4	(50.3	)	19.1

Schedule of Expected Amortization Expense

Our estimated aggregate amortization expense for finite-lived intangibles recorded at December 31, 2017, for the next five years is as follows:

(In millions)	2018		2019	2020	2021	2022
Amortization expense	$	14.7	13.3	11.5	11.1	9.7