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Employee Benefit Plans (Tables)
12 Months Ended
Mar. 31, 2023
Compensation Related Costs [Abstract]  
Schedule of Net Periodic Benefit Costs
The net periodic benefit cost of the defined benefit pension plans and the non-retirement post-employment benefit obligations for fiscal years 2023, 2022 and 2021 was as follows (in thousands):
 Years Ended March 31,
 202320222021
Service costs$13,195 $14,693 $12,121 
Interest costs2,408 920 1,047 
Expected return on plan assets(3,754)(2,930)(2,535)
Amortization:
Net prior service credit recognized(458)(465)(467)
Net actuarial loss (gain) recognized(3,047)(2,158)2,144 
Curtailment gain(4,225)— — 
Settlement gain(339)— — 
Total net periodic benefit cost$3,780 $10,060 $12,310 
Schedule of Changes in Projected Benefit Obligations
The changes in projected benefit obligations for fiscal years 2023 and 2022 were as follows (in thousands):
 Years Ended March 31,
 20232022
Projected benefit obligations, beginning of the year$207,551 $202,348 
Service costs13,195 14,693 
Interest costs2,408 920 
Plan participant contributions6,870 6,092 
Actuarial gain(22,965)(31,198)
Benefits paid (2,646)(3,904)
Transfer of prior vested benefits11,579 14,963 
Settlement(15,348)— 
Curtailment(3,923)— 
Administrative expense paid(147)(130)
Currency exchange rate changes(1,238)3,767 
Projected benefit obligations, end of the year$195,336 $207,551 
Schedule of Changes in the Fair Value of Defined Benefit Pension Plan Assets
The following table presents the changes in the fair value of defined benefit pension plan assets for fiscal years 2023 and 2022 (in thousands):
 Years Ended March 31,
 20232022
Fair value of plan assets, beginning of the year$156,118 $128,061 
Actual return on plan assets(6,008)(2,156)
Employer contributions11,645 10,877 
Plan participant contributions6,870 6,092 
Benefits paid
(2,646)(3,904)
Transfer of prior vested benefits11,579 14,963 
Settlement(15,348)— 
Administrative expenses paid(147)(130)
Currency exchange rate changes536 2,315 
Fair value of plan assets, end of the year$162,599 $156,118 
Schedule of Fair Value of the Defined Benefit Pension Plan Assets by Major Categories and by Levels within the Fair Value Hierarchy
The following tables present the fair value of the defined benefit pension plan assets by major categories and by levels within the fair value hierarchy as of March 31, 2023 and 2022 (in thousands):
 March 31,
 20232022
 Level 1Level 2TotalLevel 1Level 2Total
Cash and cash equivalents$7,071 $— $7,071 $16,317 $— $16,317 
Equity securities51,963 — 51,963 48,591 — 48,591 
Debt securities43,493 — 43,493 38,513 — 38,513 
Real estate funds21,197 23,710 44,907 25,146 13,077 38,223 
Hedge funds606 7,907 8,513 — 8,076 8,076 
Other6,248 404 6,652 6,034 364 6,398 
  Total fair value of plan assets$130,578 $32,021 $162,599 $134,601 $21,517 $156,118 
Schedule of Net Funded Status
The funded status of the plans was as follows (in thousands):
 Years Ended March 31,
 20232022
Fair value of plan assets$162,599 $156,118 
Less: projected benefit obligations195,336 207,551 
Underfunded status $(32,737)$(51,433)
Schedule of Amounts Recognized on the Balance Sheet for the Plans
Amounts recognized on the balance sheets for the plans were as follows (in thousands):
 March 31,
 20232022
Current liabilities$1,407 $1,677 
Non-current liabilities31,330 49,756 
  Total liabilities$32,737 $51,433 
Schedule of Amounts Recognized in Accumulated Other Comprehensive Loss
Amounts recognized in accumulated other comprehensive income (loss) related to defined benefit pension plans were as follows (in thousands):
 March 31,
 20232022
Net prior service credits$2,201 $2,883 
Net actuarial gain (loss)5,690 (4,304)
  Accumulated other comprehensive income (loss)7,891 (1,421)
Deferred taxes(3,366)(2,074)
  Accumulated other comprehensive income (loss), net of tax$4,525 $(3,495)
Schedule of Actuarial Assumptions for the Pension Plans
The actuarial assumptions for the defined benefit plans were as follows:
 Years Ended March 31,
 20232022
Benefit Obligations:
Discount rate
1.00% - 7.25%
1.00% - 6.75%
Estimated rate of compensation increase
2.25% - 10.00%
2.00% - 10.00%
Cash balance interest credit rate
0.00% - 1.75%
0.00% - 1.75%
Years Ended March 31,
202320222021
Net Periodic Costs:
Discount rate
0.50% - 6.75%
0.25% - 6.00%
0.50% - 6.75%
Estimated rate of compensation increase
2.00% - 10.00%
2.00% - 10.00%
2.25% - 10.00%
Expected average rate of return on plan assets
1.00% - 2.50%
1.00% - 2.25%
1.00% - 2.50%
Cash balance interest credit rate
0.00% - 1.75%
0.00% - 1.75%
0.00% - 1.75%
Schedule of Expected Benefit Payments
The following table reflects the benefit payments that the Company expects the plans to pay in the periods noted (in thousands):
Years Ending March 31,
2024$26,765 
202511,728 
202612,046 
202714,440 
202812,772 
Next five fiscal years66,302 
Total expected benefit payments by the plan$144,053