Segment Information (Tables)

12 Months Ended

Dec. 31, 2012

Segment Financial Information

Information about our continuing operations in different business segments is detailed below.

	2012			2011			2010
				(In Thousands)
Net sales:
Chemical:
Agricultural products	$	217,329		$	231,599		$	135,598
Industrial acids and other chemical products		162,498			161,776			126,846
Mining products		96,538			118,479			88,642
Natural gas		1,448			—			—
Total Chemical		477,813			511,854			351,086
Climate Control:
Geothermal and water source heat pumps		162,697			183,789			171,561
Hydronic fan coils		55,812			54,379			37,923
Other HVAC products		47,662			43,397			41,037
Total Climate Control		266,171			281,565			250,521
Other		15,047			11,837			8,298
	$	759,031		$	805,256		$	609,905
Gross profit:
Chemical	$	97,692		$	130,687		$	49,295
Climate Control		80,981			88,178			86,364
Other		5,063			4,153			2,966
	$	183,736		$	223,018		$	138,625
Operating income:
Chemical	$	82,101		$	116,503		$	31,948
Climate Control		25,834			32,759			35,338
General corporate expenses and other business operations, net (1)		(12,280	)		(12,819	)		(11,361	)
		95,655			136,443			55,925
Interest expense		4,237			6,658			7,427
Losses on extinguishment of debt		—			136			52
Non-operating expense (income), net:
Chemical		(1	)		(1	)		(7	)
Climate Control		(1	)		(2	)		(3	)
Corporate and other business operations		(279	)		3			(43	)
Provisions for income taxes		33,594			46,208			19,787
Equity in earnings of affiliate—Climate Control		(681	)		(543	)		(1,003	)
Income from continuing operations	$	58,786		$	83,984		$	29,715

General Corporate Expenses and Other Business Operations, Net

	2012			2011			2010
	(In Thousands)
Gross profit-Other	$	5,063		$	4,153		$	2,966
Selling, general and administrative:
Personnel costs		(9,994	)		(8,418	)		(7,865	)
Professional fees		(4,117	)		(3,805	)		(3,784	)
All other		(3,568	)		(4,224	)		(3,040	)
Total selling, general and adminsitrative		(17,679	)		(16,447	)		(14,689	)
Other income		394			118			366
Other expense		(58	)		(643	)		(4	)
Total general corporate expenses and other business operations, net	$	(12,280	)	$	(12,819	)	$	(11,361	)

PP&E and Total Assets by Business Segment

Information about our PP&E and total assets by business segment is detailed below:

	2012		2011		2010
	(In Thousands)
Depreciation, depletion and amortization of PP&E:
Chemical	$	16,355	$	14,659	$	13,154
Climate Control		4,250		3,853		4,026
Corporate assets and other		76		250		149
Total depreciation, depletion and amortization of PP&E	$	20,681	$	18,762	$	17,329
Additions to PP&E:
Chemical	$	141,399	$	39,835	$	28,850
Climate Control		5,816		5,746		7,177
Corporate assets and other		3,590		2,376		518
Total additions to PP&E	$	150,805	$	47,957	$	36,545
Total assets at December 31:
Chemical	$	394,479	$	294,886	$	205,179
Climate Control		139,526		160,515		150,635
Corporate assets and other		42,607		46,608		32,167
Total assets (A)	$	576,612	$	502,009	$	387,981

(A) At December 31, 2012, we changed the methodology of allocating our cash, cash equivalents and short-term investment balances to our operating segments. As a result of this change, the assets balances by business segment at December 31, 2011 and 2010 have been reclassified to conform to the methodology utilized at December 31, 2012.

Net Sales to Foreign Customers

Net sales to unaffiliated customers are to U.S. customers except foreign export sales as follows:

Geographic Area	2012		2011		2010
			(In Thousands)
Canada	$	21,079	$	23,765	$	19,345
Other		11,091		12,450		12,511
	$	32,170	$	36,215	$	31,856