Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2018

Supplemental Cash Flow Information [Abstract]

Supplemental Information Related to Consolidated Statements of Cash Flows

Supplemental information related to the consolidated statements of cash flows is as follows (in thousands):

	Year Ended December 31,
	2018		2017		2016
Cash paid during the year for:
Income taxes (net of refunds of $21,459, $17,522 and $9,270 in 2018, 2017 and 2016, respectively)(a)	$	157,758	$	320,222	$	143,404
Interest (net of capitalization)	$	49,762	$	61,243	$	96,948
Supplemental non-cash disclosures related to investing activities:
Capital expenditures included in Accounts payable	$	134,784	$	89,188	$	33,622

(a) Includes approximately $41 million of income taxes paid in 2018 from the gain on sale of the Polyolefin Catalysts Divestiture, and $257 million of income taxes paid in 2017 from the gain on sale of the Chemetall Surface Treatment business.