Acquisitions And Pending Acquisition (Fair Values Of The Assets Acquired And Liabilities Assumed) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 30, 2012
Acquisitions And Pending Acquisition [Abstract]
Accounts receivable	$ 8.8
Inventories	8.6
Property, plant and equipment	1.1
Goodwill	17.3
Other intangible assets, primarily trade names, customer relationships and patents	10.9
In-process research and development	56.0
Accounts payable	(3.0)
Other assets and liabilities, net	(44.0)
Net cash consideration	$ 55.7

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Business Combination Recognized Identifiable Assets In-Process Research And Development

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Other identifiable assets and liabilities, net, acquired at the date of acquisition not otherwise defined in the taxonomy as associated with acquired businesses.

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The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

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The amount of acquisition cost of a business combination allocated to accounts payable of the acquired entity.

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For receivables acquired in a business combination, excluding certain loans and debt securities acquired in a transfer (as defined), this element represents the fair value of the receivables acquired, by major class of receivable, such as loans, direct finance leases (as defined), and any other class of receivables.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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The amount of inventory recognized as of the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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The aggregate amount of goodwill acquired in the period and allocated to the reportable segment. The value is stated at fair value based on the purchase price allocation.

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