Consolidated Statements Of Cash Flows (USD $) In Millions	6 Months Ended
	Jul. 01, 2011	Jul. 02, 2010
Operating Activities
Net (loss) earnings	$ (44.2)	$ 109.7
Adjustments to reconcile net (loss) earnings to net cash provided by operating activities:
Depreciation and amortization	38.6	39.1
Loss on disposal of property, plant and equipment	0.1	0.2
Equity-based compensation	15.6	13.2
Deferred income taxes	(2.8)	(0.5)
Restructuring and other charges	1.0	9.5
Net loss (gain) on investments in marketable securities	0.4	(7.5)
Other-than-temporary impairment charges on investments	1.2
Excess tax benefits from equity-based compensation	(0.2)	0.6
Net changes in assets and liabilities:
Accounts receivable	12.2	(22.9)
Inventories	9.4	(8.7)
Miscellaneous receivables and other current assets	(4.7)	4.8
Other assets	(0.9)	3.8
Accounts payable	(18.2)	7.0
Restructuring and other charges	(5.5)	(6.5)
Deferred revenue	20.7	33.4
Other accrued liabilities	(67.9)	(13.2)
Income taxes	(11.7)	3.6
Other long-term liabilities	3.6	0.3
Net Cash (Used for) Provided by Operating Activities	(53.3)	165.9
Investing Activities
Capital expenditures	(32.1)	(14.1)
Payments for purchases of investments	(384.9)	(923.7)
Proceeds from sales and maturities of investments	485.1	1,010.3
Net Cash Provided by Investing Activities	68.1	72.5
Financing Activities
Proceeds from short-term borrowings	1.3
Payments of short-term borrowings	(1.3)
Proceeds from issuance of common stock under stock plans	0.5	6.7
Repurchase of common stock	(4.8)	(21.3)
Excess tax benefits from equity-based compensation	0.2	(0.6)
Dividends paid	(14.5)	(15.4)
Net Cash Used for Financing Activities	(18.6)	(30.6)
Effect of Exchange Rate Changes on Cash	8.6	(10.9)
Net Increase in Cash and Cash Equivalents	4.8	196.9
Cash and Cash Equivalents - Beginning of Year	208.8	154.0
Cash and Cash Equivalents - End of Period	$ 213.6	$ 350.9