Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2012

Components of Change in Other Assets and Liabilities, Net

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

     years ended December 31

(add 000)	2012			2011			2010
Other current and noncurrent assets	$	(2,354	)	$	2,439		$	3,245
Accrued salaries, benefits and payroll taxes		7			(4,722	)		(1,415	)
Accrued insurance and other taxes		2,274			2,873			(739	)
Accrued income taxes		(13,343	)		6,139			10,890
Accrued pension, postretirement and postemployment benefits		(13,904	)		(16,378	)		(22,257	)
Other current and noncurrent liabilities		3,836			(3,092	)		(3,491	)
Change in other assets and liabilities	$	(23,484	)	$	(12,741	)	$	(13,767	)

Schedule of Noncash Investing and Financing Activities

Noncash investing and financing activities are as follows:

 years ended December 31

(add 000)	2012		2011		2010
Noncash investing and financing activities:
Acquisition of assets through asset exchange	$	690	$	150,000	$	--
Acquisition of land through property exchange	$	--	$	--	$	1,900
Issuance of notes payable for acquisition of land	$	--	$	--	$	450