CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities:
Net income	$ 117,956	$ 114,170
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization	43,248	38,499
Depreciation	10,420	9,882
Non-cash stock-based compensation	12,459	13,509
Change in estimated acquisition earn-out payables	1,735	6,260
Deferred income taxes	10,745	14,425
Amortization of debt discount	79	0
Income tax benefit from exercise of shares from the stock benefit plans	(1,827)	(2,467)
Payments On Acquisition Earn Outs In Excess Of Original Estimated Payables	(2,778)	(2,539)
Net gain on sales of investments, fixed assets and customer accounts	(478)	(2,804)
Changes in operating assets and liabilities, net of effect from acquisitions and divestitures:
Restricted cash and investments decrease (increase)	13,876	(50,345)
Premiums, commissions and fees receivable decrease (increase)	11,109	(21,396)
Reinsurance recoverables (increase)	(66,174)	(2,871)
Prepaid reinsurance premiums decrease (increase)	18,008	(20,007)
Other assets (increase)	(20,068)	(14,295)
Premiums payable to insurance companies increase	36,851	74,646
Premium deposits and credits due customers increase	2,211	17,542
Losses and loss adjustment reserve increase	66,174	2,871
Unearned premiums (decrease) increase	(18,008)	20,007
Accounts payable increase	16,375	35,461
Accrued expenses and other liabilities (decrease)	(21,935)	(34,714)
Other liabilities (decrease)	(2,594)	(18,232)
Net cash provided by operating activities	227,384	177,602
Cash flows from investing activities:
Additions to fixed assets	(8,597)	(12,577)
Payments for businesses acquired, net of cash acquired	(105,056)	(694,737)
Proceeds from sales of fixed assets and customer accounts	3,998	3,207
Purchases and proceeds from sales of investments	(913)	(144)
Net cash used in investing activities	(110,568)	(704,251)
Cash flows from financing activities:
Payments on acquisition earn-outs	(11,261)	(8,890)
Proceeds from Issuance of Long-term Debt	0	550,000
Payments on long-term debt	(31,875)	(230,000)
Income tax benefit from exercise of shares from the stock benefit plans	1,827	2,467
Issuances of common stock for employee stock benefit plans	500	942
Repurchase stock benefit plan shares for employees to fund tax withholdings	(2,168)	(2,648)
Purchase of treasury stock	(85,000)	(25,025)
Prepayment of accelerated share repurchase program	(15,000)	0
Cash dividends paid	(31,280)	(29,042)
Net cash (used) provided by financing activities	(174,257)	632,804
Net (decrease) increase in cash and cash equivalents	(57,441)	106,155
Cash and cash equivalents at beginning of period	470,048	202,952
Cash and cash equivalents at end of period	412,607	309,107
Proceeds from Lines of Credit	$ 0	$ 375,000