CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	9 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
OPERATING ACTIVITIES
Net income	$ 425,035	$ 383,130
Reconciliation of net income to net cash provided by (used in) operating activities:
Depreciation, amortization, and accretion	35,089	31,202
Amortization on cloud computing arrangements	1,572	1,154
Loss on extinguishment of debt	226	0
Bad debt expense (benefit)	3,692	(254)
Deferred tax benefit	(343)	(4,263)
Stock-based compensation	18,130	18,281
Loss on disposal of long-lived assets	18	37
Impairment of operating lease and other long-lived assets	2,085	3,186
Changes in operating assets and liabilities:
Trade accounts receivable, net	(27,345)	(118,568)
Inventories	(216,569)	(272,508)
Prepaid expenses and other current assets	(47,782)	(33,936)
Income tax receivable	13,712	(7,743)
Net operating lease assets and lease liabilities	(6,339)	2,643
Other assets	14,641	(27,331)
Trade accounts payable	161,512	246,964
Other accrued expenses	42,681	10,782
Income tax payable	63,936	(10,151)
Other long-term liabilities	(6,068)	4,745
Net cash provided by operating activities	477,883	227,370
INVESTING ACTIVITIES
Purchases of property and equipment	(56,059)	(41,315)
Proceeds from sales of property and equipment	6	0
Net cash used in investing activities	(56,053)	(41,315)
FINANCING ACTIVITIES
Loan origination costs on revolving credit facilities	(1,537)	0
Proceeds from issuance of stock	1,046	914
Proceeds from exercise of stock options	1,870	1,204
Repurchases of common stock	(194,862)	(266,684)
Cash paid for shares withheld for taxes	(5,414)	(13,776)
Net cash used in financing activities	(198,897)	(278,342)
Effect of foreign currency exchange rates on cash and cash equivalents	(8,617)	1,187
Net change in cash and cash equivalents	214,316	(91,100)
Cash and cash equivalents at beginning of period	843,527	1,089,361
Cash and cash equivalents at end of period	1,057,843	998,261
Cash paid during the period
Income taxes, net of refunds of $1,286 and $77, as of December 31, 2022, and 2021, respectively	59,418	124,651
Interest	1,415	1,399
Operating leases	45,244	43,257
Non-cash investing activities
Change in accounts payable and other accrued expenses for purchases of property and equipment	(2,696)	240
Accrued for asset retirement obligation assets related to leasehold improvements	1,051	3,702
Leasehold improvements acquired through tenant allowances	$ 0	$ 4,061