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Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Commitments And Contingencies Disclosure [Abstract]

Change in Accrued Environmental Remediation and Related Costs

The table below presents a summary of the activity in our accrued environmental costs during 2016, 2017, and 2018 are presented below.

	Years ended December 31,
	2016			2017			2018
	(In millions)
Balance at the beginning of the year	$	120.4		$	122.6		$	117.5
Additions charged to expense, net		5.9			4.1			3.1
Payments, net		(3.7	)		(9.1	)		(17.2	)
Changes in currency exchange rates and other		—			(.1	)		—
Balance at the end of the year	$	122.6		$	117.5		$	103.4
Amounts recognized in our Consolidated Balance Sheet at the end of the year:
Current liabilities	$	15.3		$	6.8		$	6.5
Noncurrent liabilities		107.3			110.7			96.9
Total	$	122.6		$	117.5		$	103.4

Approximate Percentage of TiO2 Sales by Volume for Segments

The table below shows the approximate percentage of our TiO

	2016		2017		2018
Europe		51%		50%		44%
North America		29%		31%		37%

Future Minimum Payments Under Non-cancellable Operating Leases

We also lease various other manufacturing facilities and equipment. Some of the leases contain purchase and/or various term renewal options at fair market and fair rental values, respectively. In most cases we expect that, in the normal course of business, such leases will be renewed or replaced by other leases. Net rent expense approximated $14.3 million in 2016 and $16.3 million in 2017 and $14.8 million in 2018. At December 31, 2018, future minimum payments under non-cancellable operating leases having an initial or remaining term of more than one year were as follows:

Years ending December 31,	Amount
	(In millions)
2019	$	6.3
2020		5.1
2021		4.3
2022		3.2
2023		2.4
2024 and thereafter		21.5
Total (1)	$	42.8

(1)

Approximately $17 million of the $42.8 million aggregate future minimum rental commitments at December 31, 2018 relates to Kronos’ Leverkusen facility lease discussed above. The minimum commitment amounts for such lease included in the table above for each year through the 2050 expiration of the lease are based upon the current annual rental rate as of December 31, 2018. As discussed above, any change in the rent is based solely on negotiations between Bayer and Kronos, and any such change in the rent is deemed “contingent rentals” under GAAP which is excluded from the future minimum lease payments disclosed above.