Supplemental Cash Flow Information (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 29, 2012	Oct. 01, 2011
Non-cash Activities [Abstract]
Fair value of assets of acquired businesses and product lines	$ 1,164.3	$ 7,055.1
Cash paid for acquired businesses and product lines	(1,069.0)	(5,902.7)
Fair value of liabilities assumed of acquired businesses and product lines	95.3	1,152.4
Declared but unpaid dividends	47.7	0
Issuance of stock upon vesting of restricted stock units	$ 28.8	$ 22.1