CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Operating Activities:
Net income (loss)	$ 67,595	$ 99,447
Loss from discontinued operations, net of income tax benefit	16,551	15,005
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	21,688	20,575
Defined Benefit Plan Amortization Of Prior Service Cost Credit	1,599	0
Adjustment to impairment of available-for-sale investments	0	260
Gain on sale of available-for-sale investments, net	(105)	910
Unrealized gain on supplemental executive retirement plan investments	(47)	0
Share-based compensation expense	20,445	13,003
Deferred income tax benefit	(1,821)	16,708
Tax expense from exercise of stock options and vesting of restricted stock awards	2,265	(869)
Excess tax benefits from share-based payment arrangements	(3,403)	(369)
Increase Decrease Provision For Sales Discounts And Chargebacks	996	1,221
Accretion (amortization) of premium/(discount) on investments	3,774	2,833
Impairment of intangible assets	2,259	2,293
Income from continuing operations	84,146	114,452
Changes in operating assets and liabilities:
Accounts receivable	(23,407)	(49,847)
Inventories	4,410	(11,055)
Other current assets	(5,019)	(5,916)
Accounts payable	6,303	5,063
Reserve for sales returns	11,988	9,345
Income taxes payable	(4,628)	(12,656)
Other current liabilities	(13,929)	916
Other liabilities	710	(2,879)
Accrued consumer rebate and loyalty programs	30,754	25,129
Managed care and Medicaid reserves	10,046	3,510
Net cash provided by operating activities from continuing operations	149,024	132,627
Net Cash Used In Operating Activities From Discontinued Operations	(12,287)	(8,332)
Net cash provided by operating activities	136,737	124,295
Investing Activities:
Purchase of property and equipment	(4,225)	(5,272)
Payments for purchase of product rights	(12,880)	715
Purchase of investments for supplemental executive retirement plan	(9,840)	0
Purchase of available-for-sale investments	(602,765)	(315,023)
Sale of available-for-sale investments	199,574	104,135
Maturity of available-for-sale investments	269,830	94,475
Net cash provided by (used in) investing activities from continuing operations	(160,306)	(120,970)
Net cash used in investing activities from discontinued operations	0	(1,224)
Net cash provided by (used in) investing activities	(160,306)	(122,194)
Financing Activities
Payment of dividends	(13,568)	(9,588)
Payments for the repurchase of common stock	(1,775)	0
Cash paid in advance under structured share repurchase arrangements	(50,000)	0
Withholding of common shares for tax obligations on vested restricted stock awards	(6,508)	(3,426)
Excess tax benefits from share based payment arrangements	3,403	369
Proceeds from exercise of stock options	58,071	13,114
Net cash provided by (used in) financing activities	(10,377)	469
Effect Of Exchange Rate On Cash And Cash Equivalents	(369)	102
Net increase (decrease) in cash and cash equivalents	(34,315)	2,672
Cash and cash equivalents at beginning of period	218,362	207,941
Cash and cash equivalents at end of period	$ 184,047	$ 210,613