Business Acquisitions, Goodwill and Intangible Assets (Details 2) (USD $) In Millions, unless otherwise specified	Jan. 01, 2012	Jan. 02, 2011	Jan. 03, 2010
Estimated fair values allocated to the assets acquired and liabilities
Current assets, excluding cash acquired	$ 98.7	$ 18.4
Property, plant and equipment	53.3	16.5
Goodwill	175.2	46.4
Intangible assets	93.5	19.5
Total assets acquired	420.7	100.8	1.4
Current liabilities, including short-term debt	37.7	18.8
Other long-term liabilities	38.4	25.0
Total liabilities assumed	76.1	43.8
Purchase price, net of cash acquired	$ 344.6	$ 57.0

The aggregate amount assigned to a major class of finite-lived intangible assets acquired either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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The amount of acquisition cost of a business combination allocated to assets acquired.

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Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

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The amount of acquisition cost of a business combination allocated to property, plant and equipment to be used in ongoing operations.

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The net amount recognized as of the acquisition date for the aggregate identifiable assets acquired in excess of or less than the aggregate liabilities assumed.

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