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Condensed Consolidated Unaudited Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net income	$ 266,695	$ 251,369
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	19,350	17,983
Share-based compensation	15,802	11,992
Non-cash contribution to 401(k) plan	4,543	4,274
Deferred income tax provision	3,177	2,765
Other income from investment in unconsolidated entity	(9,172)	(7,939)
Other, net	1,776	1,260
Changes in operating assets and liabilities, net of effects of acquisitions:
Accounts receivable	(113,017)	(102,813)
Inventories	34,448	(74,448)
Accounts payable and other liabilities	158,094	99,627
Other, net	(8,918)	(6,539)
Net cash provided by operating activities	372,778	197,531
Cash flows from investing activities:
Capital expenditures	(11,608)	(14,007)
Business acquisitions, net of cash acquired		(47,343)
Investment in unconsolidated entity		(4,940)
Proceeds from sale of property and equipment	61	1,295
Net cash used in investing activities	(11,547)	(64,995)
Cash flows from financing activities:
Dividends on Common and Class B common stock	(197,454)	(180,454)
Net (repayments) proceeds under revolving credit agreement	(155,032)	34,100
Repurchases of common stock to satisfy employee withholding tax obligations	(2,299)	(1,528)
Net repayments of long-term obligations	(1,003)	(920)
Payment of fees related to revolving credit agreement	(189)
Proceeds from non-controlling interest for investment in unconsolidated entity		988
Purchase of additional ownership from non-controlling interest		(32,400)
Proceeds from non-controlling interest for investment in Peirce-Phelps, Inc		17,000
Net proceeds from issuances of common stock	13,207	7,480
Net cash used in financing activities	(342,770)	(155,734)
Effect of foreign exchange rate changes on cash and cash equivalents	(315)	454
Net increase (decrease) in cash and cash equivalents	18,146	(22,744)
Cash and cash equivalents at beginning of period	74,454	82,894
Cash and cash equivalents at end of period	$ 92,600	60,150
Peirce-Phelps, Inc.
Supplemental cash flow information:
Common stock issued		58,638
Dunphey & Associates Supply Co., Inc.
Supplemental cash flow information:
Common stock issued		$ 7,450

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