Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2017

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,
	2017		2016		2015
Cash paid during the year for:
Income taxes (net of refunds of $17,522, $9,270 and $7,333 in 2017, 2016 and 2015, respectively)(a)	$	320,222	$	143,404	$	162,408
Interest (net of capitalization)	$	61,243	$	96,948	$	153,271
Supplemental non-cash disclosures related to investing activities:
Capital expenditures included in Accounts payable	$	89,188	$	33,622	$	45,826

(a) Includes approximately $257 million of income taxes paid in 2017 from the gain on sale of the Chemetall Surface Treatment business and approximately $111 million of income taxes paid in 2015 on repatriation of earnings from legacy Rockwood entities.