Inventories (Tables)

12 Months Ended

Dec. 31, 2013

Inventory Disclosure [Abstract]

Schedule of Inventories

	Finished Goods		Work-in- Process		Raw Materials		Total
	(In Thousands)
December 31, 2013:
Chemical products	$	18,744	$	—	$	2,593	$	21,337
Climate Control products		7,552		2,838		21,278		31,668
Industrial machinery and components		2,867		—		—		2,867
	$	29,163	$	2,838	$	23,871	$	55,872
December 31, 2012:
Chemical products	$	25,487	$	—	$	4,194	$	29,681
Climate Control products		7,045		3,576		20,352		30,973
Industrial machinery and components		4,319		—		—		4,319
	$	36,851	$	3,576	$	24,546	$	64,973

Changes in Inventory Reserves

Changes in our inventory reserves for slow-moving items are as follows:

	2013			2012			2011
	(In Thousands)
Balance at beginning of year	$	1,818		$	1,767		$	1,616
Provisions for losses		249			181			751
Write-offs and disposals		(678	)		(130	)		(600	)
Balance at end of year	$	1,389		$	1,818		$	1,767