Annual report pursuant to Section 13 and 15(d)

Income Taxes - Provision (Benefit) For Income Taxes Differences (Details)

v3.19.1
Income Taxes - Provision (Benefit) For Income Taxes Differences (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2017
Income Tax Contingency [Line Items]      
Amount computed using the statutory rate $ 35,791 $ 59,162 $ 3,722
Change in U.S. valuation allowance (67,761) (66,948) (7,080)
Unremitted earnings of foreign subsidiaries 0 0 2,127
Effect of prior year adjustments 2,450 (1,337) 1,789
Expired foreign tax credits 0 407 4,766
Effective Income Tax Rate Reconciliation, Foreign Income, Amount 3,502 22,238 1,835
Taxable foreign source income 6,501 (400) 587
(Put)/call option valuation impact 0 0 (3,745)
Non-taxable gain from bargain purchase 0 (41,292) 0
Effective Income Tax Rate Reconciliation, Tax Settlement, Foreign, Amount (2,309) 0 0
Tax-deductible equity compensation (4,215) (5,699) (44)
Other non-deductible expenses (44) 220 (893)
Differences due to tax law changes 0 50,420 0
State income taxes, net of federal taxes (5) (695) (3,325) (35)
Change in foreign operations tax exposure reserves 132 1,059 108
Change in foreign tax law (1,956) 251 144
Change in foreign operations valuation allowance (41,133) (6,676) 983
Other effect of foreign operations 11,364 564 30
Provision for income taxes $ (39,460) 9,132 4,294
Effective income tax rate reconciliation, percent 31.60%    
Foreign earnings $ 4,800    
Tax rate adjustment 45,600    
Tax Cuts & Jobs Act 800    
Differences due to tax law, section 162(m) limitations 1,500    
Decrease in currency translation   (3,400)  
Increase in currency translation $ 3,800   900
China      
Income Tax Contingency [Line Items]      
Statutory tax rate, percent 25.00%    
Mexico      
Income Tax Contingency [Line Items]      
Statutory tax rate, percent 30.00%    
China and Mexico      
Income Tax Contingency [Line Items]      
Provision for income taxes $ 5,700 3,800 3,100
State and Local Jurisdiction      
Income Tax Contingency [Line Items]      
Operating loss carryforwards 525,100    
State and Local Jurisdiction | United States      
Income Tax Contingency [Line Items]      
Operating loss carryforwards 3,700    
Capacitors Antitrust Litigation      
Income Tax Contingency [Line Items]      
Other non-deductible expenses $ 14,360 $ 488 $ 0