Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2016

The components of the change in other assets and liabilities, net, are as follows:

years ended December 31

(add 000)	2016			2015			2014
Other current and noncurrent assets	$	9,171		$	(3,631	)	$	8,066
Accrued salaries, benefits and payroll taxes		13,155			(12,303	)		10,136
Accrued insurance and other taxes		(2,688	)		4,425			(17,641	)
Accrued income taxes		(12,523	)		(4,364	)		27,680
Accrued pension, postretirement and postemployment benefits		(15,955	)		(18,153	)		1,150
Other current and noncurrent liabilities		(6,053	)		(3,014	)		(10,681	)
Change in other assets and liabilities, net	$	(14,893	)	$	(37,040	)	$	18,710

Noncash investing and financing activities are as follows:

years ended December 31

(add 000)	2016		2015		2014
Noncash investing and financing activities:
Accrued liabilities for purchases of property, plant and equipment	$	38,566	$	22,285	$	31,172
Acquisition of assets through capital lease	$	1,399	$	1,445	$	7,788
Acquisition of assets through asset exchange	$	—	$	5,000	$	2,091
Seller financing of land purchase	$	—	$	—	$	1,500
Acquisition of TXI net assets assumed through issuances of common stock and options	$	—	$	—	$	2,691,986

Supplemental disclosures of cash flow information are as follows:

years ended December 31