CONSOLIDATED STATEMENTS OF CHANGES IN COMMON STOCKHOLDERS’ EQUITY Accumulated Other Comprehensive Income (Loss) Foreign Currency Unrealized Common Treasury Additional Retained Translation  Holding (in thousands) Stock Stock Paid-in Capital Earnings Adjustment Gains/Losses Total BALANCE, JANUARY1, 1999 $37 $ — $ 507,282 $ 407,406 $ — $ 17,474 $ 932,199  Comprehensive income: Net income — — — 148,138 — — 148,138  Unrealized holding losses arising during period, net of tax benefit of $17,398 — — — — — (32,311) Less: Reclassification adjustment for net gains included in net income,  net of tax of $558 — — — — — (1,036) Net unrealized loss on investments, net of tax benefit of $17,956 — — — — — (33,347) (33,347) Total comprehensive income — — — — — — 114,791  Issuance of common stock under incentive plans — — 17,126 — — — 17,126  Dividends — — — (6,860) — — (6,860) BALANCE, DECEMBER 31, 1999 37 — 524,408 548,684 — (15,873) 1,057,256  Comprehensive income: Net income — — — 248,938 — — 248,938  Unrealized holding gains arising during period, net of tax of $23,658 — — — — — 43,937 Less: Reclassification adjustment for net gains included in net income,  net of tax of $1,470 — — — — — (2,731) Net unrealized gain on investments, net of tax of $22,188 — — — — — 41,206 41,206 Total comprehensive income 290,144  Issuance of common stock under incentive plans 1 — 24,746 — — — 24,747  Treasury stock purchased — (2,159) — (2,159) Dividends — — — (7,791) — — (7,791) BALANCE, DECEMBER 31, 2000 38 (2,159) 549,154 789,831 — 25,333 1,362,197  Comprehensive income: Net income — — — 360,419 — — 360,419  Unrealized foreign currency translation adjustment, net of tax benefit of $306 — — — — (586) — (586) Unrealized holding losses arising during period, net of tax benefit of $5,316 — — — — — (9,871) Less: Reclassification adjustment for net gains included in net income,  net of tax of $2,388 — — — — — (4,436) Net unrealized loss on investments, net of tax benefit of $7,704 — — — — — (14,307) (14,307) Total comprehensive income 345,526  Issuance of common stock related to acquisition 9 — 574,676 — — — 574,685  Issuance of common stock under incentive plans 1 — 39,686 — — — 39,687  Treasury stock purchased (5,715) (5,715) Two-for-one stock split 46 — 46,572 (46,618) — — 0 Dividends — — — (10,052) — — (10,052) BALANCE, DECEMBER 31, 2001 $94 $(7,874) $1,210,088 $1,093,580 $(586) $ 11,026 $2,306,328 See notes to consolidated financial statements. >18