Income Taxes (Tables)

12 Months Ended

Sep. 30, 2014

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Provision

The components of the income tax provision were as follows (in thousands):

	Year Ended September 30,
	2014			2013			2012
Current:
Federal	$	12,184		$	10,919		$	17,648
State		2,226			1,757			1,513
Foreign		(130	)		1,575			331
		14,280			14,251			19,492
Deferred:
Federal		(1,798	)		(580	)		(1,853	)
State		(311	)		(114	)		24
Foreign		(1,103	)		(6,170	)		393
		(3,212	)		(6,864	)		(1,436	)
Total income tax provision	$	11,068		$	7,387		$	18,056

Schedule of Income Before Income Taxes

Income before income taxes was as follows (in thousands):

	Year Ended September 30,
	2014			2013		2012
U.S.	$	35,131		$	43,299	$	52,450
Other than U.S.		(4,443	)		3,827		(5,651	)
Income before income taxes	$	30,688		$	47,126	$	46,799

Schedule of Effective Income Tax Rate Reconciliation

A reconciliation of the statutory U.S. income tax rate and the effective income tax rate, as computed on earnings before income tax provision in each of the three years presented in the Consolidated Statements of Operations, was as follows:

	Year Ended September 30,
	2014			2013			2012
Statutory rate		35	%		35	%		35	%
State income taxes, net of federal benefit		3			2			2
International withholding tax		—			(1	)		(1	)
Other permanent tax items		1			1			—
Foreign rate differential		1			(1	)		1
Domestic production activities deduction		(3	)		(3	)		(3	)
Foreign valuation allowance and other		(1	)		(17	)		4
Effective rate		36	%		16	%		38	%

Schedule of Components of Deferred Income Tax Assets and Liabilities

The net deferred income tax asset (liability) was comprised of the following (in thousands):

	September 30,
	2014			2013
Current deferred income taxes:
Gross assets	$	5,297		$	5,335
Gross liabilities		—			(845	)
Net current deferred income tax asset		5,297			4,490
Noncurrent deferred income taxes:
Gross assets		11,532			9,016
Gross liabilities		(110	)		—
Net noncurrent deferred income tax asset		11,422			9,016
Net deferred income tax asset	$	16,719		$	13,506

Schedule of Deferred Tax Assets and Liabilities

The tax effect of temporary differences between U.S. GAAP accounting and federal income tax accounting creating deferred income tax assets and liabilities was as follows (in thousands):

	September 30,
	2014			2013
Deferred Tax Assets:
Net operating loss	$	6,236		$	3,892
Uniform capitalization and inventory		2,529			2,510
Deferred compensation		1,611			1,297
Stock-based compensation		1,529			1,291
Reserve for accrued employee benefits		1,444			1,396
Depreciation and amortization		1,217			944
Warranty accrual		643			1,042
Goodwill		474			1,198
Postretirement benefits liability		252			396
Allowance for doubtful accounts		495			163
Workers’ compensation		128			185
Accrued legal		65			57
Credit carryforwards and other		1,109			845
Gross deferred tax asset		17,732			15,216
Less: valuation allowance		(903	)		(865	)
Deferred tax asset		16,829			14,351
Deferred Tax Liabilities:
Uncompleted contracts		—			(845	)
Other		(110	)		—
Deferred tax liabilities		(110	)		(845	)
Net deferred tax asset	$	16,719		$	13,506

Reconciliation of Unrecognized Tax Liabilities

A reconciliation of the beginning and ending amount of the unrecognized tax liabilities follows (in thousands):

Balance as of September 30, 2013	$	3,845
Increases related to tax positions taken during the current period		225
Increases related to tax positions taken during a prior period		14
Decreases related to expirations of statute of limitations		(58	)
Balance as of September 30, 2014	$	4,026