CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
OPERATING ACTIVITIES
Net income	$ 242,099	$ 146,373
Reconciliation of net income to net cash provided by (used in) operating activities:
Depreciation, amortization, and accretion	25,138	23,018
Amortization on cloud computing arrangements	1,131	1,001
Bad debt expense	6,905	4,444
Deferred tax (benefit) expense	(1,266)	788
Stock-based compensation	16,719	10,550
Loss on disposal of long-lived assets	145	24
Impairment of operating lease, other long-lived assets, and other	793	1,068
Changes in operating assets and liabilities:
Trade accounts receivable, net	(193,071)	(136,430)
Inventories	(193,480)	(418,247)
Prepaid expenses and other current assets	(35,269)	(22,791)
Income tax receivable	(8,488)	(6,134)
Net operating lease assets and lease liabilities	8,909	(4,057)
Other assets	(1,886)	2,308
Trade accounts payable	215,374	157,155
Other accrued expenses	(1,479)	(14,688)
Income tax payable	44,171	26,915
Other long-term liabilities	(4,917)	(8,143)
Net cash provided by (used in) operating activities	121,528	(236,846)
INVESTING ACTIVITIES
Purchases of property and equipment	(57,436)	(24,254)
Proceeds from sales of property and equipment	34	0
Net cash used in investing activities	(57,402)	(24,254)
FINANCING ACTIVITIES
Proceeds from issuance of stock	1,165	1,046
Proceeds from exercise of stock options	1,081	1,830
Repurchases of common stock	(210,938)	(150,240)
Cash paid for shares withheld for taxes	(8,457)	(5,102)
Net cash used in financing activities	(217,149)	(152,466)
Effect of foreign currency exchange rates on cash and cash equivalents	(5,721)	(10,702)
Net change in cash and cash equivalents	(158,744)	(424,268)
Cash and cash equivalents at beginning of period	981,795	843,527
Cash and cash equivalents at end of period	823,051	419,259
Cash paid during the period
Income taxes, net of refunds of $4 and $1,124, as of September 30, 2023, and 2022, respectively	47,146	29,242
Interest	955	901
Operating leases	31,370	31,572
Non-cash investing activities
Changes in accounts payable and accrued expenses for purchases of property and equipment	(12,957)	(2,516)
Accrued for asset retirement obligation assets related to leasehold improvements	718	803
Leasehold improvements acquired through tenant allowances	8,127	0
Non-cash financing activities
Accrued excise taxes related to repurchase of common stock	$ 1,816	$ 0