Income Taxes (Tables)

12 Months Ended

Mar. 31, 2018

Investments, Owned, Federal Income Tax Note [Line Items]

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:

	2018			2017			2016
Beginning balance	$	975		$	1,092		$	1,833
Additions for tax positions of the current year	444			—			—
Reductions for prior year tax positions	—			—			—
Settlements	—			—			(771		)
Foreign currency translation	20			(9		)	30
Lapses in statutes of limitation	(847		)	(108		)	—
Ending balance	$	592		$	975		$	1,092

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,
	2018			2017
Net non-current deferred tax assets	$	32,442		$	61,857
Net non-current deferred tax liabilities	(30,262		)	(28,689		)
Net deferred tax assets (liabilities)	$	2,180		$	33,168

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,
	2018			2017
Deferred tax assets:
Federal net operating loss carryforwards	$	26,450		$	50,786
State and foreign net operating loss carryforwards	10,376			12,151
Employee benefit plans	28,390			42,694
Insurance reserves	3,578			5,355
Accrued vacation and incentive costs	4,625			3,984
Federal tax credit carryforwards	2,476			1,601
Equity compensation	2,285			3,711
Other	3,666			5,330
Valuation allowance	(4,671		)	(4,585		)
Deferred tax assets after valuation allowance	77,175			121,027
Deferred tax liabilities:
Property, plant, and equipment	(2,785		)	(4,016		)
Intangible assets	(72,210		)	(83,843		)
Total deferred tax liabilities	(74,995		)	(87,859		)
Net deferred tax assets (liabilities)	$	2,180		$	33,168

Schedule of Components of Income Tax Expense (Benefit)

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

	Year Ended March 31,
	2018			2017			2016
Statutory federal income tax rate (1)	31.55		%	35.00		%	35.00		%
Expected tax at statutory rate	$	15,676		$	4,560		$	11,068
Effect of Tax Reform Act (2)	17,602			—			—
State income taxes net of federal benefit	(37		)	893			717
Foreign taxes less than statutory federal rate	(2,667		)	(1,921		)	(2,370		)
Permanent items	(2,220		)	2,521			1,187
Valuation allowance	(104		)	(829		)	2,860
(Utilization)/Expiration of foreign tax credits	—			—			(945		)
Research and development credits	(612		)	(643		)	(200		)
Other	(18		)	(538		)	(272		)
Actual tax provision expense	$	27,620		$	4,043		$	12,045

(1) For fiscal 2018, represents the blended rate of 35 percent for the first three quarters of the fiscal year and 21 percent for the fourth quarter.

(2) Represents the discrete expense of the one-time transition tax ($1,500,000) and the remeasurement of our net U.S. deferred tax assets at the new lower U.S. corporate income tax rate ($16,102,000).

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

	Year Ended March 31,
	2018			2017			2016
Current income tax expense (benefit):
United States Federal	$	1,109		$	41		$	1,905
State taxes	402			217			441
Foreign	6,141			3,296			2,363
Deferred income tax expense (benefit):
United States	21,177			5,797			7,235
Foreign	(1,209		)	(5,308		)	101
	$	27,620		$	4,043		$	12,045