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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Operating Activities
Net income	$ 130,008	$ 74,865
Adjustments to reconcile net income to cash provided by operating activities
Depreciation and amortization	7,275	5,259
Share-based compensation	6,613	4,243
Loss on sale of disposal of property, plant and equipment		28
Amortization of premium on investment securities	70	263
Deferred income taxes		(735)
Change in operating assets and liabilities:
Inventories	(76,222)	7,035
Income taxes, prepaid		5,169
Prepaid expenses and other current assets	(5,094)	1,728
Other assets	(3,393)	(2,566)
Accounts payable and accrued expenses	42,747	30,078
Net cash flow provided by operating activities	102,004	125,367
Investing Activities
Sale and maturities of investment securities	5,145	2,000
Purchase of property and equipment	(22,585)	(3,852)
Net cash flow (used in) provided by investing activities	(17,440)	(1,852)
Financing Activities
Options exercised by executives and directors	811	1,424
Net shares repurchased for employee taxes	(1,867)	(532)
Cash dividends paid to stockholders	(46,845)	(39,892)
Stock repurchases	(46,000)	(5,000)
Net cash flow used in financing activities	(93,901)	(44,000)
Foreign currency impact	130	(3)
Increase in cash and cash equivalents	(9,207)	79,512
Cash and cash equivalents - beginning of the period	163,723	76,974
Cash and cash equivalents - end of the period	154,516	156,486
Supplemental disclosure of cash flow information:
Income taxes paid (received)	41,302	14,135
Dividends declared included in accounts payable	$ 17,351	$ 13,715

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