Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 30, 2011	Dec. 31, 2010	Jan. 01, 2010
Operating Activities
Net earnings (loss)	$ (188.4)	$ 155.6	$ 113.6
Adjustments to reconcile net earnings to net cash (used for) provided by operating activities:
Depreciation and amortization	76.2	77.3	75.3
Loss on disposal of property, plant and equipment	0.7	0.3	0.8
Goodwill and IPR&D impairment	102.7
Equity-based compensation	24.6	27.0	20.7
Deferred income taxes	(0.8)	18.1	(9.2)
Net gains on investments in marketable securities		(12.2)	(4.7)
Excess tax benefits from equity-based compensation	(0.2)	(1.6)	(0.3)
Restructuring and other charges	20.3	9.5	11.7
Other-than-temporary impairment charges on investments	2.2	3.8	0.4
Net changes in assets and liabilities:
Accounts receivable	15.9	(17.9)	8.8
Inventories	16.9	(35.5)	56.4
Miscellaneous receivables and other current assets	(7.6)	10.6	9.4
Other assets	(4.6)	(4.1)	0.1
Accounts payable	(23.1)	52.7	(21.4)
Restructuring and other charges	(11.7)	(13.0)	(21.1)
Deferred revenue	(2.1)	11.9	(3.7)
Other accrued liabilities	(59.6)	25.6	2.8
Income taxes	(7.4)	(16.8)	(10.9)
Other long-term liabilities	(3.1)	(2.5)	1.0
Net Cash (Used for) Provided by Operating Activities	(49.1)	288.8	229.7
Investing Activities
Capital expenditures	(65.2)	(55.6)	(45.9)
Proceeds on disposals of property, plant and equipment	0.3	0.1	1.0
Payments for purchases of investments	(811.5)	(2,217.7)	(1,112.2)
Proceeds from sales and maturities of investments	888.2	2,245.1	946.2
Payments for acquisition, net of cash acquired			(164.7)
Net Cash Provided by (Used for) Investing Activities	11.8	(28.1)	(375.6)
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	0.6	8.0	1.7
Repurchase of common stock	(5.1)	(184.2)	(85.5)
Excess tax benefits from equity-based compensation	0.2	1.6	0.3
Dividends Paid	(29.1)	(30.3)
Net Cash Used for Financing Activities	(33.4)	(204.9)	(83.5)
Effect of Exchange Rate Changes on Cash	(5.4)	(1.0)	7.3
Net (Decrease) Increase in Cash and Cash Equivalents	(76.1)	54.8	(222.1)
Cash and Cash Equivalents-Beginning of Year	208.8	154.0	376.1
Cash and Cash Equivalents-End of Year	132.7	208.8	154.0
Other Information
Interest paid	1.3	1.7	1.5
Income taxes paid	$ 6.1	$ 23.3	$ 12.7