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Consolidated Condensed Statements of Income - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Dec. 31, 2019 | Dec. 30, 2018 | Dec. 31, 2019 | Dec. 30, 2018
Net sales | $ 763,698 | $ 680,022 | $ 2,306,065 | $ 2,011,414
Cost of goods sold | 574,612 | 511,729 | 1,718,150 | 1,516,381
Inventory step up to fair value relating to acquisitions | 3,845 | 3,747 | 3,845 | 4,273
Gross profit | 185,241 | 164,546 | 584,070 | 490,760
Operating expenses | 132,740 | 112,046 | 395,869 | 307,864
Restructuring, exit and other charges | 9,417 | 5,392 | 18,071 | 8,252
Legal proceedings settlement income | 0 | (2,843) | 0 | (2,843)
Operating earnings | 43,084 | 49,951 | 170,130 | 177,487
Interest expense | 11,089 | 7,082 | 32,084 | 20,011
Other (income) expense, net | (606) | (55) | (1,559) | (1,052)
Earnings before income taxes | 32,601 | 42,924 | 139,605 | 158,528
Income tax expense (benefit) | 5,296 | (5,690) | 966 | 16,447
Net earnings | $ 27,305 | 48,614 | 138,639 | 142,081
Net earnings attributable to noncontrolling interests |  | 197 | 0 | 380
Net earnings attributable to EnerSys stockholders |  | $ 48,417 | $ 138,639 | $ 141,701
Net earnings per common share attributable to EnerSys stockholders: |  |  |  |
Basic earnings per common share attributable to EnerSys stockholders (in dollars per share) | $ 0.65 | $ 1.14 | $ 3.27 | $ 3.36
Diluted earnings per common share attributable to EnerSys stockholders (in dollars per share) | 0.64 | 1.12 | 3.23 | 3.31
Dividends per common share (in dollars per share) | $ 0.175 | $ 0.175 | $ 0.525 | $ 0.525
Weighted average shares of common stock outstanding: |  |  |  |
Basic weighted-average number of common shares outstanding (in shares) | 42,286,641 | 42,337,459 | 42,445,006 | 42,161,163
Diluted weighted-average number of common shares outstanding (in shares) | 42,838,969 | 43,102,598 | 42,888,495 | 42,816,762
Nonredeemable Noncontrolling Interests |  |  |  |
Net earnings attributable to noncontrolling interests | $ 0 |  |  |

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