Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities:
Net income	$ 534,294	$ 389,794
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of long-term assets	35,019	25,470
Amortization	140,249	89,224
Allocation of pre-paid royalties	15,744	24,467
Provision (benefit) for accounts receivable allowances	1,405	(1,718)
Deferred income taxes	(85,282)	(34,933)
Impairment of acquired in-process research and development	118,000
Change in value of contingent consideration	(111,169)	10,754
Share-based compensation expense	112,097	86,571
Equity in (gains) losses of affiliated companies	(695)	(638)
Share-based employee benefit plan expense	8,071	6,904
Unrealized change in value of foreign currency forward contracts	8,874	17,640
Realized (gain) loss on marketable securities available for sale	1,455	(6,018)
Other, net	2,016	2,820
Change in current assets and liabilities, excluding the effect of acquisitions:
Accounts receivable	(126,187)	(73,020)
Inventory	65,428	927
Other operating assets	12,952	37,378
Assets held for sale, net	1,290
Accounts payable and other operating liabilities	(35,551)	15,539
Income tax payable	43,526	(258)
Deferred revenue	(5,137)	4,148
Net cash provided by operating activities	736,399	595,051
Cash flows from investing activities:
Proceeds from sales of marketable securities available for sale	1,095,497	2,037,313
Purchases of marketable securities available for sale	(963,293)	(2,420,620)
Payments for acquisition of business, net of cash acquired		(337,608)
Proceeds from the sale of non-core assets, net	93,185
Capital expenditures	(53,048)	(40,238)
Investment in affiliated companies	(2,329)	(1,466)
Purchases of investment securities	(533)	(13,562)
Net cash provided by (used in) investing activities	169,479	(776,181)
Cash flows from financing activities:
Payment for treasury shares	(689,126)	(105,436)
Net proceeds from exercise of common stock options and warrants	54,357	44,996
Excess tax benefit from share-based compensation arrangements	10,462	15,938
Net cash provided by (used in) financing activities	(624,307)	(44,502)
Effect of currency rate changes on cash and cash equivalents	15,345	(20,932)
Net increase (decrease) in cash and cash equivalents	296,916	(246,564)
Cash and cash equivalents at beginning of period	1,351,128	1,102,172
Cash and cash equivalents at end of period	1,648,044	855,608
Supplemental schedule of non-cash investing and financing activity:
Contingent consideration issued in acquisition of Gloucester		230,201
Change in net unrealized (gain) loss on marketable securities available for sale	(4,804)	(15,172)
Matured shares tendered in connection with stock option exercises		(163)
Supplemental disclosure of cash flow information:
Interest paid	2,016	1,638
Income taxes paid	$ 66,689	$ 83,342