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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-in Capital | Retained Earnings | Accumulated Other Comprehensive Loss
--- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Mar. 31, 2021 |  | 27,910,000 |  |  |
Beginning balance at Mar. 31, 2021 | $ 1,444,225 | $ 279 | $ 203,310 | $ 1,257,379 | $ (16,743)
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Stock-based compensation (in shares) |  | 1,000 |  |  |
Stock-based compensation | 5,469 |  | 5,469 |  |
Exercise of stock options (in shares) |  | 1,000 |  |  |
Exercise of stock options | 69 |  | 69 |  |
Shares withheld for taxes | (85) |  | (85) |  |
Repurchases of common stock (Note 9) (in shares) |  | (249,000) |  |  |
Repurchases of common stock (Note 9) | (82,166) | $ (2) |  | (82,164) |
Net income | 48,124 |  |  | 48,124 |
Total other comprehensive (loss) income | 3,351 |  |  |  | 3,351
Ending balance (in shares) at Jun. 30, 2021 |  | 27,663,000 |  |  |
Ending balance at Jun. 30, 2021 | 1,418,987 | $ 277 | 208,763 | 1,223,339 | (13,392)
Beginning balance (in shares) at Mar. 31, 2021 |  | 27,910,000 |  |  |
Beginning balance at Mar. 31, 2021 | $ 1,444,225 | $ 279 | 203,310 | 1,257,379 | (16,743)
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Repurchases of common stock (Note 9) (in shares) | (735,976) |  |  |  |
Repurchases of common stock (Note 9) | $ (266,684) |  |  |  |
Net income | 383,130 |  |  |  |
Total other comprehensive (loss) income | (2,414) |  |  |  |
Ending balance (in shares) at Dec. 31, 2021 |  | 27,243,000 |  |  |
Ending balance at Dec. 31, 2021 | 1,564,742 | $ 272 | 209,795 | 1,373,832 | (19,157)
Beginning balance (in shares) at Jun. 30, 2021 |  | 27,663,000 |  |  |
Beginning balance at Jun. 30, 2021 | 1,418,987 | $ 277 | 208,763 | 1,223,339 | (13,392)
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Stock-based compensation (in shares) |  | 1,000 |  |  |
Stock-based compensation | 6,288 |  | 6,288 |  |
Shares issued upon vesting (in shares) |  | 36,000 |  |  |
Shares issued upon vesting | 914 |  | 914 |  |
Shares withheld for taxes | (9,195) |  | (9,195) |  |
Repurchases of common stock (Note 9) (in shares) |  | (133,000) |  |  |
Repurchases of common stock (Note 9) | (53,807) | $ (1) |  | (53,806) |
Net income | 102,063 |  |  | 102,063 |
Total other comprehensive (loss) income | (1,504) |  |  |  | (1,504)
Ending balance (in shares) at Sep. 30, 2021 |  | 27,567,000 |  |  |
Ending balance at Sep. 30, 2021 | 1,463,746 | $ 276 | 206,770 | 1,271,596 | (14,896)
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Stock-based compensation | 6,386 |  | 6,386 |  |
Shares issued upon vesting (in shares) |  | 2,000 |  |  |
Exercise of stock options (in shares) |  | 28,000 |  |  |
Exercise of stock options | 1,135 |  | 1,135 |  |
Shares withheld for taxes | (4,496) |  | (4,496) |  |
Repurchases of common stock (Note 9) (in shares) |  | (354,000) |  |  |
Repurchases of common stock (Note 9) | (130,711) | $ (4) |  | (130,707) |
Net income | 232,943 |  |  | 232,943 |
Total other comprehensive (loss) income | (4,261) |  |  |  | (4,261)
Ending balance (in shares) at Dec. 31, 2021 |  | 27,243,000 |  |  |
Ending balance at Dec. 31, 2021 | 1,564,742 | $ 272 | 209,795 | 1,373,832 | (19,157)
Beginning balance (in shares) at Mar. 31, 2022 |  | 26,982,000 |  |  |
Beginning balance at Mar. 31, 2022 | 1,538,825 | $ 270 | 210,825 | 1,352,685 | (24,955)
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Stock-based compensation (in shares) |  | 1,000 |  |  |
Stock-based compensation | 3,735 |  | 3,735 |  |
Shares withheld for taxes | (43) |  | (43) |  |
Repurchases of common stock (Note 9) (in shares) |  | (384,000) |  |  |
Repurchases of common stock (Note 9) | (99,993) | $ (4) |  | (99,989) |
Net income | 44,849 |  |  | 44,849 |
Total other comprehensive (loss) income | (14,966) |  |  |  | (14,966)
Ending balance (in shares) at Jun. 30, 2022 |  | 26,599,000 |  |  |
Ending balance at Jun. 30, 2022 | 1,472,407 | $ 266 | 214,517 | 1,297,545 | (39,921)
Beginning balance (in shares) at Mar. 31, 2022 |  | 26,982,000 |  |  |
Beginning balance at Mar. 31, 2022 | $ 1,538,825 | $ 270 | 210,825 | 1,352,685 | (24,955)
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Repurchases of common stock (Note 9) (in shares) | (685,075) |  |  |  |
Repurchases of common stock (Note 9) | $ (194,862) |  |  |  |
Net income | 425,035 |  |  |  |
Total other comprehensive (loss) income | (15,321) |  |  |  |
Ending balance (in shares) at Dec. 31, 2022 |  | 26,358,000 |  |  |
Ending balance at Dec. 31, 2022 | 1,769,172 | $ 264 | 226,320 | 1,582,864 | (40,276)
Beginning balance (in shares) at Jun. 30, 2022 |  | 26,599,000 |  |  |
Beginning balance at Jun. 30, 2022 | 1,472,407 | $ 266 | 214,517 | 1,297,545 | (39,921)
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Stock-based compensation (in shares) |  | 1,000 |  |  |
Stock-based compensation | 6,779 |  | 6,779 |  |
Shares issued upon vesting (in shares) |  | 27,000 |  |  |
Shares issued upon vesting | 1,046 |  | 1,046 |  |
Exercise of stock options (in shares) |  | 27,000 |  |  |
Exercise of stock options | 1,830 |  | 1,830 |  |
Shares withheld for taxes | (5,059) |  | (5,059) |  |
Repurchases of common stock (Note 9) (in shares) |  | (173,000) |  |  |
Repurchases of common stock (Note 9) | (50,247) | $ (1) |  | (50,246) |
Net income | 101,524 |  |  | 101,524 |
Total other comprehensive (loss) income | (12,441) |  |  |  | (12,441)
Ending balance (in shares) at Sep. 30, 2022 |  | 26,481,000 |  |  |
Ending balance at Sep. 30, 2022 | 1,515,839 | $ 265 | 219,113 | 1,348,823 | (52,362)
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Stock-based compensation (in shares) |  | 1,000 |  |  |
Stock-based compensation | 7,479 |  | 7,479 |  |
Shares issued upon vesting (in shares) |  | 2,000 |  |  |
Exercise of stock options (in shares) |  | 1,000 |  |  |
Exercise of stock options | 40 |  | 40 |  |
Shares withheld for taxes | (312) |  | (312) |  |
Repurchases of common stock (Note 9) (in shares) |  | (127,000) |  |  |
Repurchases of common stock (Note 9) | (44,622) | $ (1) |  | (44,621) |
Net income | 278,662 |  |  | 278,662 |
Total other comprehensive (loss) income | 12,086 |  |  |  | 12,086
Ending balance (in shares) at Dec. 31, 2022 |  | 26,358,000 |  |  |
Ending balance at Dec. 31, 2022 | $ 1,769,172 | $ 264 | $ 226,320 | $ 1,582,864 | $ (40,276)

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