Income taxes (Tables)

12 Months Ended

Dec. 31, 2012

Components of Pre-tax Income and Comprehensive Provision for Income Taxes

The provision for income taxes attributable to continuing operations, the difference between such provision for income taxes and the amount that would be expected using the U.S. federal statutory income tax rate of 35%, and the comprehensive provision for income taxes are presented below. All of our pre-tax income attributable to continuing operations relates to operations in the United States.

	Years ended December 31,
	2010			2011			2012
	(In thousands)
Provision for income taxes:
Currently payable	$	2,680		$	2,677		$	1,633
Deferred income tax benefit		(813	)		(133	)		(218	)
Total	$	1,867		$	2,544		$	1,415
Expected tax expense, at the U.S. federal statutory income tax rate of 35%	$	1,857		$	2,117		$	1,729
State income taxes and other, net		231			337			173
Tax credits		(221	)		(251	)		(170	)
Valuation allowance		—			341			(317	)
Total	$	1,867		$	2,544		$	1,415
Comprehensive provision for income tax allocable to:
Income from continuing operations	$	1,867		$	2,544		$	1,415
Discontinued operations		3,877			4,876			5,397
Total	$	5,744		$	7,420		$	6,812

Components of Net Deferred Tax Assets (Liabilities)

The components of net deferred tax assets (liabilities) are summarized below.

	December 31,
	2011			2012
	(In thousands)
Tax effect of temporary differences related to:
Inventories	$	932		$	953
Tax on unremitted earnings of non-U.S. subsidiaries		(7,671	)		—
Property and equipment		(3,971	)		(3,775	)
Accrued liabilities and other deductible differences		164			304
Accrued employee benefits		1,412			1,484
Tax loss and credit carryforwards		494			130
Goodwill		(2,179	)		(2,374	)
Other taxable differences		(511	)		(87	)
Valuation allowance		(341	)		(126	)
Total	$	(11,671	)	$	(3,491	)
Net current deferred tax assets		2,495			2,691
Net noncurrent deferred tax liabilities		(14,166	)		(6,182	)
Total	$	(11,671	)	$	(3,491	)