Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 29, 2012	Mar. 31, 2012
Current assets:
Cash and cash equivalents	$ 595,119	$ 788,822	[1]
Short-term investments	1,111,338	1,128,805	[1]
Accounts receivable, net	222,269	214,965	[1]
Inventories	204,067	204,866	[1]
Deferred tax assets	62,838	64,822	[1]
Prepaid expenses and other current assets	54,427	48,029	[1]
Total current assets	2,250,058	2,450,309	[1]
Property, plant and equipment, at cost:	798,801	788,422	[1]
Accumulated depreciation and amortization	(416,595)	(393,440)	[1]
Net property, plant and equipment	382,206	394,982	[1]
Long-term investments	1,497,394	1,209,228	[1]
Goodwill	158,990	149,538	[1]
Acquisition-related intangibles, net	41,096	36,332	[1]
Other assets	218,890	223,733	[1]
Total Assets	4,548,634	4,464,122	[1]
Current liabilities:
Accounts payable	96,478	78,613	[1]
Accrued payroll and related liabilities	124,040	121,309	[1]
Deferred income on shipments to distributors	47,967	67,002	[1]
Other accrued liabilities	74,171	75,852	[1]
Total current liabilities	342,656	342,776	[1]
Convertible debentures	915,109	906,569	[1]
Deferred tax liabilities	499,709	463,045	[1]
Long-term income taxes payable	15,704	14,479	[1]
Other long-term liabilities	23,765	29,568	[1]
Commitments and contingencies			[1]
Stockholders' equity:
Preferred stock, $.01 par value (none issued)	0	0	[1]
Common stock, $.01 par value	2,608	2,636	[1]
Additional paid-in capital	1,166,835	1,195,458	[1]
Retained earnings	1,563,676	1,502,327	[1]
Accumulated other comprehensive income	18,572	7,264	[1]
Total stockholders' equity	2,751,691	2,707,685	[1]
Total Liabilities and Stockholders' Equity	$ 4,548,634	$ 4,464,122	[1]

[1] Derived from audited financial statements