Income Tax Expense (Tables)

12 Months Ended

Sep. 30, 2011

Income Tax Expense [Abstract]

Income Tax Expense (Benefit)

(Dollars in thousands)		2011	2010	2009
Income tax expense from
continuing operations	$	24,457	24,819	13,867
Discontinued operations		—	—	(1,473	)
Total income tax expense	$	24,457	24,819	12,394

Components Of Income From Continuing Operations Before Income Taxes

(Dollars in thousands)		2011	2010	2009
United States	$	73,275	66,639	60,477
Foreign		3,683	3,026	2,695
Total income before income taxes	$	76,958	69,665	63,172

Principal Components Of Income Tax Expense (Benefit) From Continuing Operations

(Dollars in thousands)		2011		2010		2009
Federal
Current	$	15,708		17,585		10,425
Deferred		5,578		4,199		(1,666	)
State and local:
Current		2,218		2,193		4,683
Deferred		580		230		(421	)
Foreign:
Current		3,104		1,130		1,179
Deferred		(2,731	)	(518	)	(333	)
Total	$	24,457		24,819		13,867

Schedule Of Actual Income Tax Expense (Benefit) From Continuing Operations

	2011		2010		2009
Federal corporate statutory rate	35.0	%	35.0	%	35.0	%
State and local, net of Federal benefits	3.6		3.1		4.4
Foreign	(2.2	)	(1.5	)	(0.2	)
Research credit	(2.0	)	0.3		(7.5	)
Domestic production deduction	(2.5	)	(1.9	)	(1.8	)
Change in uncertain tax positions	(0.5	)	0.1		(7.9	)
Other, net	0.4		0.5		—
Effective income tax rate	31.8	%	35.6	%	22.0	%

Tax Effects Of Temporary Differences That Give Rise To Significant Portions Of The Deferred Tax Assets And Liabilities

(Dollars in thousands)		2011		2010
Deferred tax assets:
Inventories, long-term contract accounting,
contract cost reserves and other	$	6,029		3,331
Pension and other postretirement benefits		11,341		12,178
Net operating loss carryforward—domestic		687		813
Net operating loss carryforward—foreign		3,419		2,018
Capital loss carryforward		240		254
Other compensation-related costs
and other cost accruals		17,316		14,196
State credit carryforward		1,240		1,545
Total deferred tax assets		40,272		34,335
Deferred tax liabilities:
Plant and equipment, depreciation methods,
acquisition asset allocations, and other		(104,082	)	(96,300	)
Net deferred tax liabilities before
valuation allowance		(63,810	)	(61,965	)
Less valuation allowance		(873	)	(1,613	)
Net deferred tax liabilities	$	(64,683	)	(63,578	)

Reconciliation Of Unrecognized Tax Benefits

(Dollars in millions)		2011		2010
Balance as of October 1,	$	3.2		3.3
Increases related to prior year tax positions		0.7		0.2
Decreases related to prior year tax positions		—		(0.2	)
Increases related to current year tax positions		0.2		0.1
Lapse of statute of limitations		(0.5	)	(0.2	)
Balance as of September 30,	$	3.6		3.2