Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Income Taxes

Schedule of components of provision for income tax expense (benefit)

	Year ended December 31
	2016		2015		2014
Current:
Federal	$	16,664	$	15,298	$	17,347
State		1,866		2,057		1,774
		18,530		17,355		19,121
Deferred:
Federal		4,930		6,103		2,025
State		1,227		(1,371)		890
		6,157		4,732		2,915
	$	24,687	$	22,087	$	22,036

Schedule of reconciliation of income tax expense computed at the federal statutory rate to the provision for income taxes

	2016		2015		2014
Federal income tax expense at statutory rate	$	22,294	$	23,192	$	21,699
State taxes, net of federal benefit		2,547		1,077		1,694
Valuation allowance changes		(7)		(1,028)		-
Change in uncertain tax positions, net		50		43		8
Research and development credit		(274)		(241)		(249)
Rate change		64		(30)		366
Manufacturing tax benefits		(1,248)		(1,302)		(1,612)
Prior period adjustments		1,096		-		-
Other		165		376		130
	$	24,687	$	22,087	$	22,036

Schedule of significant components of deferred tax liabilities and assets

	December 31,
	2016		2015
Deferred tax assets:
Allowance for doubtful accounts	$	393	$	492
Inventory reserves		1,111		928
Warranty liability		2,244		2,717
Deferred compensation		548		733
Earnout liabilities		242		1,367
Pension and retiree health benefit obligations		5,432		3,375
Accrued vacation		866		720
Medical claims reserve		72		75
State net operating losses		2,853		3,164
Other accrued liabilities		2,967		3,229
Valuation allowance for state net operating losses		(640)		(647)
Total deferred tax assets		16,088		16,153
Deferred tax liabilities:
Tax deductible goodwill and other intangibles		(63,324)		(57,496)
Accelerated depreciation		(7,176)		(7,239)
Other		(151)		(196)
Total deferred tax liabilities		(70,651)		(64,931)
Net deferred tax liabilities	$	(54,563)	$	(48,778)

Schedule of reconciliation of the beginning and ending liability for uncertain tax positions

	2016		2015
Balance at beginning of year	$	490	$	464
Increases for tax positions taken in the current year		73		26
Increases for tax positions taken in the prior years		1,809		-
Decreases due to settlements with taxing authorities		(11)		-
Balance at the end of year	$	2,361	$	490