Income Taxes (Tables)

12 Months Ended

Mar. 31, 2017

Schedule of Components of Income Tax Expense (Benefit)

The sources and tax effects of the differences were as follows:



	Year Ended March 31,
	2017			2016			2015
Expected tax at 35%	$	4,560		$	11,068		$	12,605
State income taxes net of federal benefit	893			717			721
Foreign taxes less than statutory federal rate	(1,921		)	(2,370		)	(2,471		)
Permanent items	2,521			1,187			(264		)
Valuation allowance	(829		)	2,860			(18		)
(Utilization)/Expiration of foreign tax credits	—			(945		)	—
Research and development credits	(643		)	(200		)	(1,641		)
Other	(538		)	(272		)	(107		)
Actual tax provision expense (benefit)	$	4,043		$	12,045		$	8,825

The provision for income tax expense (benefit) consisted of the following:



	Year Ended March 31,
	2017			2016		2015
Current income tax expense (benefit):
United States Federal	$	41		$	1,905	$	2,853
State taxes	217			441		257
Foreign	3,296			2,363		3,641
Deferred income tax expense (benefit):
United States	5,797			7,235		5,098
Foreign	(5,308		)	101		(3,024		)
	$	4,043		$	12,045	$	8,825

Schedule of Deferred Tax Assets and Liabilities

The tax effects of temporary differences that give rise to significant portions of the deferred tax assets and deferred tax liabilities are as follows:



	March 31,
	2017			2016
Deferred tax assets:
Federal net operating loss carryforwards	$	50,786		$	56,142
State and foreign net operating loss carryforwards	12,151			11,797
Employee benefit plans	42,694			38,146
Insurance reserves	5,355			6,144
Accrued vacation and incentive costs	3,984			3,038
Federal tax credit carryforwards	1,601			517
Equity compensation	3,711			3,213
Other	5,330			5,637
Valuation allowance	(4,585		)	(4,131		)
Deferred tax assets after valuation allowance	121,027			120,503
Deferred tax liabilities:
Property, plant, and equipment	(4,016		)	(3,448		)
Intangible assets	(83,843		)	(43,956		)
Total deferred tax liabilities	(87,859		)	(47,404		)
Net deferred tax assets (liabilities)	$	33,168		$	73,099

Schedule of Classification of Deferred Income Taxes in Consolidated Balance Sheet

Deferred income taxes are classified within the consolidated balance sheets based on the following breakdown:



	March 31,
	2017			2016
Net non-current deferred tax assets	$	61,857		$	73,158
Net non-current deferred tax liabilities	(28,689		)	(59		)
Net deferred tax assets (liabilities)	$	33,168		$	73,099

Schedule of Unrecognized Tax Benefits Roll Forward

Changes in the Company’s uncertain income tax positions, excluding the related accrual for interest and penalties, are as follows:



	2017			2016			2015
Beginning balance	$	1,092		$	1,833		$	2,357
Reductions for prior year tax positions	—			—			(198		)
Settlements	—			(771		)	(50		)
Foreign currency translation	(9		)	30			(276		)
Lapses in statutes of limitation	(108		)	—			—
Ending balance	$	975		$	1,092		$	1,833