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Income Taxes (Tables)
12 Months Ended
Mar. 31, 2021
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:
 202120202019
Beginning balance$132 $936 $592 
Additions for tax positions of the current year— — 550 
Reductions for prior year tax positions— (802)(141)
Foreign currency translation(2)(65)
Lapses in statutes of limitation— — — 
Ending balance$141 $132 $936 
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,
 20212020
Net non-current deferred tax assets$20,080 $26,281 
Net non-current deferred tax liabilities(17,600)(18,213)
Net deferred tax assets (liabilities)$2,480 $8,068 
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,
 20212020
Deferred tax assets:  
Federal net operating loss carryforwards$16,038 $18,091 
State and foreign net operating loss carryforwards7,404 7,142 
Employee benefit plans24,692 31,471 
Insurance reserves3,488 3,216 
Accrued vacation and incentive costs3,061 3,218 
Federal tax credit carryforwards13,238 11,922 
ASC 842 Lease Liability8,623 9,048 
Equity compensation2,782 1,974 
Other7,308 7,319 
Valuation allowance(15,103)(15,036)
Deferred tax assets after valuation allowance71,531 78,365 
Deferred tax liabilities:
Property, plant, and equipment(1,889)(1,962)
ASC 842 Right-of-Use Asset(8,446)(8,938)
Intangible assets(58,716)(59,397)
Total deferred tax liabilities(69,051)(70,297)
Net deferred tax assets (liabilities)$2,480 $8,068 
Schedule of Components of Income Tax Expense (Benefit) The sources and tax effects of the differences were as follows: 
 Year Ended March 31,
 202120202019
Statutory federal income tax rate21.00 %21.00 %21.00 %
Expected tax at statutory rate$2,116 $16,203 $11,108 
Effect of Tax Reform Act (1)— — (1,500)
State income taxes net of federal benefit(450)1,397 1,728 
Foreign taxes at rates other than statutory federal rate287 1,102 (145)
Net loss on sale of businesses (3)— — 4,041 
Permanent items (6), (7)178 266 (1,694)
Valuation allowance (2), (4)84 (1,184)13,190 
Foreign tax credits (2)— — (15,371)
Federal tax credits (5)(700)(1,903)(1,376)
Other (8)(545)1,603 340 
Actual tax provision expense$970 $17,484 $10,321 

(1) For fiscal 2019, represents the discrete benefit of the reduction of the one-time transition tax of $1,500,000 recorded in fiscal 2018 to zero.
(2) For fiscal 2019, primarily represents foreign tax credits generated by the one-time transition tax calculation and valuation allowance as the Company believes their utilization is uncertain.
(3) For fiscal 2019, represents losses on sales of businesses that are not deductible for income tax purposes.
(4) For fiscal 2020, represents the reversal of a valuation allowance on certain foreign tax credits offset by increases in valuation allowances required in certain foreign jurisdiction.
(5) For fiscal 2021, Federal tax credits include research and development credits of $700,000. For fiscal 2020, Federal tax credits include research and development credits of $800,000 and minimum tax credits of $1,103,000. For fiscal 2019, Federal tax credits relate to research and development credits.
(6) For fiscal 2019, permanent items include a FDII deduction of $945,000.
(7) For fiscal 2020, permanent items include a net GILTI inclusion of $525,000 and a FDII deduction of $1,029,000.
(8) For fiscal 2021, Other primarily relates to adjustments for previously estimated tax expenses.

The provision for income tax expense (benefit) consisted of the following:
 Year Ended March 31,
 202120202019
Current income tax expense (benefit):   
United States Federal$810 $(2,491)$(1,663)
State taxes618 626 394 
Foreign8,246 11,984 12,548 
Deferred income tax expense (benefit):
United States(5,996)7,827 5,873 
Foreign(2,708)(462)(6,831)
 $970 $17,484 $10,321