Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 29, 2013	Mar. 30, 2012
Operating Activities
Net loss	$ (55.9)	$ (139.8)
Adjustments to reconcile net loss to net cash used for operating activities:
Depreciation and amortization	10.7	14.4
Loss on disposal of property, plant and equipment	0.1	0.8
Equity-based compensation	3.1	5.5
Deferred income taxes	(0.6)	0.6
Restructuring and other charges	34.7	106.0
Net gain on investments in marketable securities	(1.2)
Net changes in assets and liabilities:
Accounts receivable	36.9	21.4
Inventories	(12.7)	12.5
Miscellaneous receivables and other current assets	4.7	2.8
Other assets	(3.4)	(2.3)
Accounts payable	3.7	(43.7)
Restructuring and other charges	(10.2)	(13.9)
Deferred revenue	6.5	8.1
Other accrued liabilities	(20.1)	(7.5)
Income taxes	0.6	(2.2)
Other long-term liabilities	(2.3)	(0.2)
Net Cash Used for Operating Activities	(5.4)	(37.5)
Investing Activities
Capital expenditures	(3.1)	(5.0)
Payments for purchases of investments	(95.5)	(110.7)
Proceeds from sales and maturities of investments	277.7	139.0
Net Cash Provided by Investing Activities	179.1	23.3
Financing Activities
Repurchase of common stock	(27.0)	(1.8)
Dividends paid		(7.3)
Net Cash Used for Financing Activities	(27.0)	(9.1)
Effect of Exchange Rate Changes on Cash	(0.1)	3.4
Net Increase (Decrease) in Cash and Cash Equivalents	146.6	(19.9)
Cash and Cash Equivalents - Beginning of Year	223.7	132.7
Cash and Cash Equivalents - End of Period	$ 370.3	$ 112.8