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Business Segments - (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Oct. 03, 2021 | Oct. 04, 2020 | Oct. 03, 2021 | Oct. 04, 2020
Segment Reporting Information [Line Items] |  |  |  |
Net sales | $ 791,395 | $ 708,402 | $ 1,606,288 | $ 1,413,326
Operating earnings by segment | 49,694 | 55,415 | 110,594 | 108,635
Inventory adjustment relating to exit activities | (960) | 0 | (960) | 0
Restructuring charges | (2,857) | (3,119) | (10,689) | (4,506)
Energy Systems | Americas |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 369,839 | 340,822 | 741,045 | 694,209
Operating earnings by segment | 1,129 | 22,997 | 8,235 | 45,082
Restructuring charges | (161) | (1,331) | (649) | (1,843)
Motive Power | EMEA |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 320,687 | 263,738 | 656,803 | 526,572
Operating earnings by segment | 40,996 | 24,149 | 91,630 | 51,425
Inventory adjustment relating to exit activities | (960) | 0 | (960) | 0
Restructuring charges | (2,676) | (1,681) | (11,209) | (2,443)
Specialty | Asia |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 100,869 | 103,842 | 208,440 | 192,545
Operating earnings by segment | 11,386 | 11,388 | 22,378 | 16,634
Restructuring charges | $ (20) | $ (107) | $ 1,169 | $ (220)

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