Consolidated Balance Sheets (USD $) In Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2011	Dec. 31, 2010
Current assets:
Cash and Cash Equivalents	$ 176,719	$ 59,690
Marketable securities	212,499	170,648
Trade accounts receivable, net of allowance for doubtful accounts of $414 and $355 at June 30, 2011 and December 31, 2010, respectively	52,742	54,739
Accounts receivable - other	3,569	5,493
Inventories	70,666	66,416
Deferred income tax	13,169	13,634
Prepaid income tax	293	2,993
Prepaid expenses	15,936	11,672
Other current assets	5,124	5,148
Total current assets	550,717	390,433
Marketable securities, net of current portion	140,227	259,317
Property, plant and equipment, net	169,262	160,863
Capitalized software, net	15,020	13,981
Patents, net	12,115	12,450
Goodwill	150,830	150,308
Purchased intangibles, net	116,006	120,270
License, manufacturing access fees and other assets, net	65,563	60,175
Total assets	1,219,740	1,167,797
Current liabilities:
Accounts payable	11,358	14,614
Accrued salaries and employee benefits	22,947	26,825
Other accrued expenses	13,939	13,935
Income tax payable	5,470	634
Short-term borrowings	248,000	240,000
Deferred income tax	97	0
Deferred revenue	1,387	1,166
Total current liabilities	303,198	297,174
Non-current income tax payable	9,041	8,315
Deferred income tax	27,955	29,775
Deferred revenue, net of current portion	2,269	2,500
Other long-term liabilities	7,460	6,654
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.0001 par value per share; 20,000,000 shares authorized, none issued and outstanding	0	0
Common stock, $0.0001 par value per share; 200,000,000 shares authorized, 48,170,514 and 47,966,156 shares issued and outstanding at June 30, 2011 and December 31, 2010, respectively	5	5
Additional paid-in capital	204,786	195,820
Accumulated other comprehensive (loss) income	(7,471)	678
Retained earnings	672,497	626,876
Total stockholders' equity	869,817	823,379
Total liabilities and stockholders' equity	$ 1,219,740	$ 1,167,797