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Risk Management and Financial Instruments - Summary of Material Transactions Reflected in Accumulated Net Parent Investment (Details) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2021
Related Party Transaction [Line Items] |  |  |
Related party transaction amounts of transaction | $ (31,544) | $ (8,875) | $ 427,725
Corporate allocations (excluding stock-based compensation expense) [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Related party transaction amounts of transaction | 1,483 | 9,999 | 8,998
Transfer Of operations To Nextracker [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Related party transaction amounts of transaction | (39,025) | (2,934) | 5,299
Net Cash Pooling Activities [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Related party transaction amounts of transaction | (35,240) | (35,490) | 377,360
Income Taxes [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Related party transaction amounts of transaction | $ 41,238 | $ 19,550 | $ 36,068

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