CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Operating Activities:
Net income (loss)	$ 48,143	$ 71,868
Loss from discontinued operations, net of income tax benefit	13,054	9,078
Income from continuing operations	61,197	80,946
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	14,434	13,649
Defined Benefit Plan Amortization Of Prior Service Cost Credit	400	0
Adjustment to impairment of available-for-sale investments	0	260
Gain on sale of available-for-sale investments, net	(27)	750
Share-based compensation expense	16,009	5,057
Deferred income tax benefit	(877)	7,099
Tax expense from exercise of stock options and vesting of restricted stock awards	1,864	(269)
Excess tax benefits from share-based payment arrangements	(2,872)	(320)
Increase Decrease Provision For Sales Discounts And Chargebacks	1,163	1,031
Accretion (amortization) of premium/(discount) on investments	2,604	1,811
Changes in operating assets and liabilities:
Accounts receivable	(36,940)	(42,849)
Inventories	4,453	(10,413)
Other current assets	(3,995)	(3,810)
Accounts payable	4,378	14,972
Reserve for sales returns	17,528	1,131
Income taxes payable	(4,628)	(13,923)
Other current liabilities	(17,338)	(2,282)
Other liabilities	128	(1,958)
Accrued consumer rebate and loyalty programs	23,244	17,053
Managed care and Medicaid reserves	1,863	(2,668)
Net cash provided by operating activities from continuing operations	82,588	65,267
Net Cash Used In Operating Activities From Discontinued Operations	(9,978)	(5,274)
Net cash provided by operating activities	72,610	59,993
Investing Activities:
Purchase of property and equipment	(2,834)	(3,922)
Payments for purchase of product rights	(12,824)	768
Purchase of available-for-sale investments	(474,810)	(273,402)
Sale of available-for-sale investments	112,379	41,238
Maturity of available-for-sale investments	188,865	69,515
Net cash provided by (used in) investing activities from continuing operations	(189,224)	(165,803)
Net cash used in investing activities from discontinued operations	0	(577)
Net cash provided by (used in) investing activities	(189,224)	(166,380)
Financing Activities
Payment of dividends	(8,535)	(5,993)
Excess tax benefits from share based payment arrangements	2,872	320
Proceeds from exercise of stock options	54,049	2,206
Net cash provided by (used in) financing activities	48,386	(3,467)
Effect Of Exchange Rate On Cash And Cash Equivalents	67	(34)
Net increase (decrease) in cash and cash equivalents	(68,161)	(109,888)
Cash and cash equivalents at beginning of period	218,362	207,941
Cash and cash equivalents at end of period	$ 150,201	$ 98,053