Income Taxes (Tables)

12 Months Ended

Dec. 31, 2019

Income Taxes

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

	Year ended December 31
	2019		2018		2017
Current:
Federal	$	12,492	$	3,953	$	11,897
State		3,067		1,736		988
		15,559		5,689		12,885
Deferred:
Federal		(1,442)		5,001		(17,264)
State		(666)		1,164		1,970
		(2,108)		6,165		(15,294)
	$	13,451	$	11,854	$	(2,409)

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

	2019		2018		2017
Federal income tax expense at statutory rate	$	13,150	$	11,709	$	18,520
State taxes, net of federal benefit		2,239		2,349		1,539
Change in uncertain tax positions, net		(601)		(1,292)		1,043
Research and development credit		(404)		(226)		(160)
State rate change		(426)		287		240
Manufacturing tax benefits		-		-		(933)
Federal deferred rate change		-		(836)		(22,452)
Other		(507)		(137)		(206)
	$	13,451	$	11,854	$	(2,409)

Schedule of significant components of deferred tax liabilities and assets

	December 31,
	2019		2018
Deferred tax assets:
Allowance for doubtful accounts	$	382	$	212
Inventory reserves		1,388		1,353
Warranty liability		1,643		1,559
Deferred compensation		1,380		1,264
Earnout liabilities		406		516
Pension and retiree health benefit obligations		1,682		1,219
Interest rate swap		1,733		-
Accrued vacation		833		702
Medical claims reserve		56		78
Operating lease liabilities		6,108		-
Net operating losses		3,754		4,416
Other accrued liabilities		2,953		2,176
Valuation allowance		(1,612)		(1,473)
Total deferred tax assets		20,706		12,022
Deferred tax liabilities:
Tax deductible goodwill and other intangibles		(54,808)		(53,565)
Accelerated depreciation		(7,320)		(6,547)
Operating leases - right of use assets		(6,108)		-
Other		319		(108)
Total deferred tax liabilities		(67,917)		(60,220)
Net deferred tax liabilities	$	(47,211)	$	(48,198)

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

	2019		2018		2017
Balance at beginning of year	$	1,795	$	3,531	$	2,361
Increases for tax positions taken in the current year		131		21		97
Increases for tax positions taken in the prior years		15		146		1,602
Decreases due to settlements with taxing authorities		-		(693)		(8)
Decreases due to lapses in the statute of limitations		(722)		(1,210)		(521)
Balance at the end of year	$	1,219	$	1,795	$	3,531