Other Noncurrent Liabilities

12 Months Ended

Dec. 31, 2019

Other Liabilities, Noncurrent [Abstract]

Other Noncurrent Liabilities

Other Noncurrent Liabilities:

Other noncurrent liabilities consist of the following at December 31, 2019 and 2018 (in thousands):

	December 31,
	2019		2018
Transition tax on foreign earnings(a)	$	303,490	$	317,745
Wodgina Project acquisition consideration obligation(b)	120,800		—
Operating leases(c)	114,686		—
Liabilities related to uncertain tax positions(d)	21,169		22,877
Executive deferred compensation plan obligation	28,715		26,292
Environmental liabilities(e)	33,058		40,376
Asset retirement obligations(e)	55,848		41,489
Tax indemnification liability(f)	30,993		45,347
Other(g)	45,777		32,816
Total	$	754,536	$	526,942

(a) Noncurrent portion of one-time transition tax on foreign earnings. See Note 21, “Income Taxes,” for additional information.

(b) Represents the 40% interest in the Kemerton assets, which are under construction, expected to be transferred to MRL as part of the consideration paid for the Wodgina Project acquisition. See Note 2, “Acquisitions,” for further details.

(c) See Note 18, “Leases.”

(d) See Note 21, “Income Taxes.”

(e) See Note 17, “Commitments and Contingencies.”

(f) Indemnification of certain income and non-income tax liabilities associated with the Chemetall Surface Treatment entities sold. The December 31, 2018 balance also includes the settlement of an ongoing audit of a previously disposed business in Germany.

(g)

No individual component exceeds 5% of total liabilities.