Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

Income Taxes [Abstract]

Schedule Of Provision For Income Taxes

	For Years Ended December 31 (in thousands)
	2012		2011		2010
Current:
Federal	$	22,165	$	17,596	$	30,318
State		4,187		4,365		5,905
		26,352		21,961		36,223
Deferred:
Federal		(3,938)		4,972		(997)
State		(865)		124		598
		(4,803)		5,096		(399)
Total tax provision	$	21,549	$	27,057	$	35,824

Reconciliation Of Statutory Rate to Effective Rate

	Percent of Pre-tax Income
	2012	2011	2010
Statutory rate	35.0%	35.0%	35.0%
State tax, net of federal benefit	3.6%	3.9%	4.6%
Tax exempt interest and dividends	(0.3%)	(0.5%)	(0.7%)
Other	(2.6%)	(2.3%)	(2.8%)
Effective rate	35.7%	36.1%	36.1%

Schedule Of Deferred Tax Assets And Liabilities

	(In thousands)
	2012		2011
Deferred tax assets
Doubtful accounts	$	3,245	$	541
Insurance (primarily product liability)		2,412		2,306
Vacation		961		951
Environmental		745		894
Goodwill and other intangibles		697		859
Other		846		589
Total deferred tax assets		8,906		6,140
Deferred tax liabilities
Depreciation		7,339		9,366
Other		29		39
Total deferred tax liabilities		7,368		9,405
Net deferred tax assets (liabilities)	$	1,538	$	(3,265)

Reconciliation Of Unrecognized Tax Benefits

	(In thousands)
	2012		2011
Balance at January 1	$	248	$	418
Additions for tax positions taken related to the current year		56		87
Additions for tax positions taken related to prior years		115		12
Settlements		(210)		(269)
Balance at December 31	$	209	$	248