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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Mar. 31, 2021
Accounting Policies [Abstract] |
Reconciliation of Cash, Cash Equivalents, and Restricted Cash | The Company believes it is not exposed to any significant credit risk with respect to Cash and cash equivalents. The following table provides a reconciliation of Cash and cash equivalents, and Restricted cash reported within the Consolidated Balance Sheets that sum to the total of the same such amounts shown in the Consolidated Statements of Cash Flows.
| March 31, 2021 |  | March 31, 2020
Cash and cash equivalents | $ | 846,851 |  |  | $ | 380,373 |
Restricted cash (1) | 373 |  |  | 373 |
Total cash, cash equivalents, and restricted cash | $ | 847,224 |  |  | $ | 380,746 |
(1)Restricted cash as of March 31, 2021 and March 31, 2020 consisted of a cash secured letter of credit issued for our Frankfurt office.
Schedule of New Accounting Pronouncements and Changes in Accounting Principles | The following table provides a reconciliation of the cumulative transition adjustment pertaining to the adoption of the credit loss guidance reported within the Consolidated Balance Sheets.
| March 31, 2020 |  | Transition Adjustment |  | April 1, 2020
Accounts receivable, net of allowance for credit losses | $ | 80,912 |  |  | $ | (599) |  |  | $ | 80,313 |
Unbilled work in progress, net of allowance for credit losses | 39,821 |  |  | (232) |  |  | 39,589 |
Other assets | 38,890 |  |  | (93) |  |  | 38,797 |
Deferred income taxes, net | 5,843 |  |  | 242 |  |  | 6,085 |
Retained earnings | $ | 377,471 |  |  | $ | (682) |  |  | $ | 376,789 |

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