CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Mar. 31, 2013
ASSETS
Cash and cash equivalents	$ 466,603	$ 528,334
Short-term investments	878,182	1,050,263
Accounts receivable, net	242,405	229,955
Inventories	262,725	242,334
Prepaid expenses	31,756	37,439
Deferred tax assets	67,490	80,687
Other current assets	20,238	67,358
Total current assets	1,969,399	2,236,370
Property, plant and equipment, net	531,967	514,544
Long-term investments	798,712	257,450
Goodwill	276,097	271,348
Intangible assets, net	445,499	530,136
Other assets	45,956	41,557
Total assets	4,067,630	3,851,405
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	74,050	75,551
Accrued liabilities	96,731	127,108
Short-term borrowings	17,500	0
Deferred income on shipments to distributors	147,798	138,952
Total current liabilities	336,079	341,611
Junior convertible debentures	371,873	363,385
Long-term line of credit	300,000	620,000
Long-term borrowings, net	331,385	0
Long-term income tax payable	179,966	182,723
Deferred tax liability	375,316	388,250
Other long-term liabilities	37,550	21,966
Stockholders' equity:
Preferred stock, $0.001 par value; authorized 5,000,000 shares; no shares issued or outstanding	0	0
Common stock, $0.001 par value; authorized 450,000,000 shares; 218,789,994 shares issued and 200,002,736 shares outstanding at March 31, 2014; 218,789,994 shares issued and 196,472,856 shares outstanding at March 31, 2013	200	196
Additional paid-in capital	1,244,583	1,255,627
Common stock held in treasury: 18,787,258 shares at March 31, 2014; 22,317,138 shares at March 31, 2013	(577,382)	(682,220)
Accumulated other comprehensive income	1,051	6,935
Retained earnings	1,467,009	1,352,932
Total stockholders' equity	2,135,461	1,933,470
Total liabilities and stockholders' equity	$ 4,067,630	$ 3,851,405