CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 294,203	$ 315,194
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	14,599	12,825
Non-cash lease expense	1,481	952
Gain on disposal of property and equipment	(6)	(88)
Stock-based compensation	16,332	18,362
Effect on cash of changes in operating assets and liabilities net of acquisition:
Accounts receivable	(134,433)	(147,452)
Inventories	(208,673)	(39,546)
Prepaid expenses and other assets	(29,621)	(18,487)
Prepaid income taxes	(5,885)	(7,076)
Accounts payable	18,329	36,859
Accrued liabilities	20,603	32,441
Accrued promotional allowances	61,171	13,965
Accrued compensation	(32,122)	(24,443)
Income taxes payable	(9,818)	(13,287)
Other liabilities	(596)	504
Deferred revenue	(5,915)	(5,250)
Net cash (used in) provided by operating activities	(351)	175,473
CASH FLOWS FROM INVESTING ACTIVITIES:
Sales of available-for-sale investments	504,808	325,751
Purchases of available-for-sale investments	(441,925)	(440,570)
Acquisition of CANarchy, net of cash	(330,356)
Purchases of property and equipment	(21,511)	(8,400)
Proceeds from sale of property and equipment	14	231
Additions to intangibles	(8,419)	(7,239)
Increase in other assets	(6,241)	(18,856)
Net cash used in investing activities	(303,630)	(149,083)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings on debt	3,454	957
Issuance of common stock	4,510	6,761
Purchases of common stock held in treasury	(12,187)	(13,419)
Net cash used in financing activities	(4,223)	(5,701)
Effect of exchange rate changes on cash and cash equivalents	(3,472)	(22,223)
NET DECREASE IN CASH AND CASH EQUIVALENTS	(311,676)	(1,534)
CASH AND CASH EQUIVALENTS, beginning of period	1,326,462	1,180,413
CASH AND CASH EQUIVALENTS, end of period	1,014,786	1,178,879
Cash paid during the period for:
Interest	91	13
Income taxes	$ 112,863	$ 121,866