Supplemental Cash Flow Information (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012
Non-cash Activities [Abstract]
Fair value of assets of acquired businesses and product lines	$ 0	$ 205.0
Cash paid for acquired businesses and product lines	0	(176.3)
Fair value of liabilities assumed of acquired businesses and product lines	0	28.7
Fair value of available-for-sale investments contributed to defined benefit plans	27.1
Declared but unpaid dividends	55.2	48.0
Issuance of stock upon vesting of restricted stock units	$ 53.5	$ 27.5