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Stockholders' Equity and Noncontrolling Interests - (Other Disclosures) (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Dec. 31, 2023 | Oct. 01, 2023 | Jul. 02, 2023 | Jan. 01, 2023 | Oct. 02, 2022 | Jul. 03, 2022 | Dec. 31, 2023 | Jan. 01, 2023
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | $ 1,663,381 | $ 1,683,179 | $ 1,603,881 | $ 1,414,418 | $ 1,438,770 | $ 1,493,275 | $ 1,603,881 | $ 1,493,275
Stock-based compensation | 9,817 | 5,144 | 7,933 | 6,906 | 6,534 | 5,330 |  |
Exercise of stock options | 0 | 2,014 | 7,654 | 947 | 115 | 1 |  |
Shares issued under equity awards (taxes paid related to net share settlement of equity awards), net | (2,144) | (7,348) |  | (128) | (5,624) | (633) |  |
Contra equity - adjustment to indemnification receivable for acquisition related tax liability | 0 | 475 |  | 194 | 963 |  |  |
Purchase of common stock | (34,991) | (47,340) | 0 | 0 |  | (22,907) | (82,331) | (22,907)
Other | 232 | 344 | 279 | 284 | 304 | 199 |  |
Net earnings | 76,158 | 65,229 | 66,797 | 44,410 | 34,472 | 30,978 |  |
Dividends | (9,081) | (9,168) | (7,173) | (7,140) | (7,138) | (7,108) |  |
Dissolution of joint venture |  |  |  |  |  | 0 |  |
Other comprehensive income: |  |  |  |  |  |  |  |
Pension funded status adjustment, net of tax | 21 | 21 | 20 | 84 | 81 | 89 | 62 | 254
Net unrealized gain (loss) on derivative instruments (net of tax) | (6,722) | 2,495 | 1,786 | 10,806 | 2,116 | (8,234) | (2,441) | 4,688
Foreign currency translation adjustment | 33,356 | (31,664) | 2,002 | 60,565 | (56,175) | (52,220) | 3,694 | (47,830)
Ending balance | $ 1,730,027 | $ 1,663,381 | 1,683,179 | $ 1,531,346 | 1,414,418 | $ 1,438,770 | $ 1,730,027 | $ 1,531,346
Dividends per common share (in dollars per share) | $ 0.225 | $ 0.225 |  | $ 0.175 |  | $ 0.175 | $ 0.625 | $ 0.525
Pension funded status adjustment, tax benefit (expense) | $ 146 | $ 6 | 9 | $ 34 | 34 | $ 34 |  |
Net unrealized gain (loss) on derivative instrument, income tax expense (benefit) | 2,051 | 762 | (544) | 3,298 | 647 | 2,514 |  |
Total EnerSys Stockholders’ Equity |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 1,659,986 | 1,679,767 | 1,600,279 | 1,410,940 | 1,435,078 | 1,489,373 | $ 1,600,279 | $ 1,489,373
Stock-based compensation | 9,817 | 5,144 | 7,933 | 6,906 | 6,534 | 5,330 |  |
Exercise of stock options | 0 | 2,014 | 7,654 | 947 | 115 | 1 |  |
Shares issued under equity awards (taxes paid related to net share settlement of equity awards), net | (2,144) | (7,348) |  | (128) | (5,624) | (633) |  |
Contra equity - adjustment to indemnification receivable for acquisition related tax liability | 0 | 475 |  | 194 | 963 |  |  |
Purchase of common stock | (34,991) | (47,340) | 0 | 0 |  | (22,907) |  |
Other | 232 | 344 | 279 | 284 | 304 | 199 |  |
Net earnings | 76,158 | 65,229 | 66,797 | 44,410 | 34,472 | 30,978 |  |
Dividends | (9,081) | (9,168) | (7,173) | (7,140) | (7,138) | (7,108) |  |
Other comprehensive income: |  |  |  |  |  |  |  |
Pension funded status adjustment, net of tax | 21 | 21 | 20 | 84 | 81 | 89 |  |
Net unrealized gain (loss) on derivative instruments (net of tax) | (6,722) | 2,495 | 1,786 | 10,806 | 2,116 | (8,234) |  |
Foreign currency translation adjustment | 33,258 | (31,647) | 2,192 | 60,456 | (55,961) | (52,010) |  |
Ending balance | 1,726,534 | 1,659,986 | 1,679,767 | 1,527,759 | 1,410,940 | 1,435,078 | 1,726,534 | 1,527,759
Preferred Stock |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
Other comprehensive income: |  |  |  |  |  |  |  |
Ending balance | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
Common Stock |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 563 | 565 | 560 | 559 | 558 | 557 | 560 | 557
Exercise of stock options | 0 | (1) | 5 | 1 | 1 | 1 |  |
Other |  | (1) |  |  |  |  |  |
Other comprehensive income: |  |  |  |  |  |  |  |
Ending balance | 563 | 563 | 565 | 560 | 559 | 558 | 563 | 560
Additional Paid-in Capital |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 612,490 | 612,295 | 596,464 | 577,520 | 576,294 | 571,464 | 596,464 | 571,464
Stock-based compensation | 9,817 | 5,144 | 7,933 | 6,906 | 6,534 | 5,330 |  |
Exercise of stock options | 0 | 2,015 | 7,649 | 946 | 114 | 0 |  |
Shares issued under equity awards (taxes paid related to net share settlement of equity awards), net | (2,144) | (7,348) |  | (128) | (5,624) | (633) |  |
Other | 11 | 151 | 65 | (30) | 28 | (41) |  |
Dividends | 234 | 233 | 184 | 193 | 174 | 174 |  |
Other comprehensive income: |  |  |  |  |  |  |  |
Ending balance | 620,408 | 612,490 | 612,295 | 585,407 | 577,520 | 576,294 | 620,408 | 585,407
Treasury Stock |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | (787,888) | (740,742) | (740,956) | (741,510) | (741,786) | (719,119) | (740,956) | (719,119)
Purchase of common stock | (34,991) | (47,340) | 0 | 0 |  | (22,907) |  |
Other | 221 | 194 | 214 | 314 | 276 | 240 |  |
Other comprehensive income: |  |  |  |  |  |  |  |
Ending balance | (822,658) | (787,888) | (740,742) | (741,196) | (741,510) | (741,786) | (822,658) | (741,196)
Retained Earnings |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 2,045,416 | 1,989,588 | 1,930,148 | 1,834,442 | 1,807,282 | 1,783,586 | 1,930,148 | 1,783,586
Net earnings | 76,158 | 65,229 | 66,797 | 44,410 | 34,472 | 30,978 |  |
Dividends | (9,315) | (9,401) | (7,357) | (7,333) | (7,312) | (7,282) |  |
Other comprehensive income: |  |  |  |  |  |  |  |
Ending balance | 2,112,259 | 2,045,416 | 1,989,588 | 1,871,519 | 1,834,442 | 1,807,282 | 2,112,259 | 1,871,519
Accumulated Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | (208,607) | (179,476) | (183,474) | (257,414) | (203,650) | (143,495) | (183,474) | (143,495)
Other comprehensive income: |  |  |  |  |  |  |  |
Pension funded status adjustment, net of tax | 21 | 21 | 20 | 84 | 81 | 89 |  |
Net unrealized gain (loss) on derivative instruments (net of tax) | (6,722) | 2,495 | 1,786 | 10,806 | 2,116 | (8,234) |  |
Foreign currency translation adjustment | 33,258 | (31,647) | 2,192 | 60,456 | (55,961) | (52,010) |  |
Ending balance | (182,050) | (208,607) | (179,476) | (186,068) | (257,414) | (203,650) | (182,050) | (186,068)
Contra-Equity |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | (1,988) | (2,463) | (2,463) | (2,657) | (3,620) | (3,620) | (2,463) | (3,620)
Contra equity - adjustment to indemnification receivable for acquisition related tax liability | 0 | 475 |  | 194 | 963 |  |  |
Other comprehensive income: |  |  |  |  |  |  |  |
Ending balance | (1,988) | (1,988) | (2,463) | (2,463) | (2,657) | (3,620) | (1,988) | (2,463)
Non- redeemable Non- Controlling Interests |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Beginning balance | 3,395 | 3,412 | 3,602 | 3,478 | 3,692 | 3,902 | 3,602 | 3,902
Dissolution of joint venture |  |  |  |  |  | 0 |  |
Other comprehensive income: |  |  |  |  |  |  |  |
Foreign currency translation adjustment | 98 | (17) | (190) | 109 | (214) | (210) |  |
Ending balance | $ 3,493 | $ 3,395 | $ 3,412 | $ 3,587 | $ 3,478 | $ 3,692 | $ 3,493 | $ 3,587

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