Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Mar. 29, 2013	Dec. 28, 2012
Current Assets
Cash and cash equivalents	$ 370.3	$ 223.7
Investments in marketable securities	201.3	380.7
Total cash, cash equivalents and marketable securities	571.6	604.4
Other marketable securities	209.6	195.1
Accounts receivable, net of allowances of $1.3 and $1.3	199.6	246.8
Inventories
Raw materials	36.0	30.2
Finished goods	76.6	70.8
Total inventories	112.6	101.0
Income taxes	14.9	7.3
Miscellaneous receivables and other current assets	21.9	35.1
Total Current Assets	1,130.2	1,189.7
Property, Plant and Equipment
Land	19.9	20.1
Buildings and improvements	188.8	193.5
Equipment	387.2	406.4
Total property, plant and equipment	595.9	620.0
Accumulated depreciation	(385.7)	(389.6)
Property, plant and equipment, net	210.2	230.4
Goodwill	122.0	122.1
Intangible Assets, Net of Amortization	3.3	4.4
Other Assets	79.5	91.5
Total Assets	1,545.2	1,638.1
Current Liabilities
Accounts payable	60.7	57.4
Accrued compensation	34.1	37.7
Restructuring and other charges	30.6	19.1
Income taxes	45.7	61.5
Loan related to other marketable securities	209.6	195.1
Deferred revenue	26.7	20.3
Other accrued liabilities	60.1	78.5
Total Current Liabilities	467.5	469.6
Long-Term Restructuring Liabilities	4.6	2.8
Income Taxes	22.1	21.9
Other Long-Term Liabilities	39.8	42.5
Stockholders' Equity
Preferred stock: authorized 5,000,000 shares of $0.01 par value; no shares issued and outstanding
Common stock: authorized 1,000,000,000 shares of $0.01 par value; 510,921,560 and 508,846,484 shares issued	5.1	5.1
Additional paid-in capital	1,595.4	1,592.2
Treasury stock, at cost: 153,395,726 and 141,284,352 shares	(1,258.0)	(1,231.0)
Retained earnings	580.1	636.0
Accumulated other comprehensive income	88.6	99.0
Total Stockholders' Equity	1,011.2	1,101.3
Total Liabilities and Stockholders' Equity	$ 1,545.2	$ 1,638.1