General General (Components of Accumulated Other Comprehensive Income) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 27, 2013	Sep. 28, 2012	Sep. 27, 2013	Sep. 28, 2012
Accumulated Other Comprehensive Income Loss Total [Roll Forward]
Beginning balance	$ (378.6)	$ (74.9)	$ (59.2)	$ (36.9)
Pre-tax income		243.4		242.3
Income tax expense		(18.6)		(55.5)
Other comprehensive income, net of income taxes	353.4	224.8	34.0	186.8
Ending balance	(25.2)	149.9	(25.2)	149.9
Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income Loss Total [Roll Forward]
Pre-tax income	8.4		25.2
Income tax expense	(2.9)		(8.7)
Other comprehensive income, net of income taxes	5.5		16.5
Other Comprehensive Income (Loss) Before Reclassifications [Member]
Accumulated Other Comprehensive Income Loss Total [Roll Forward]
Pre-tax income	383.6		86.4
Income tax expense	(35.7)		(68.9)
Other comprehensive income, net of income taxes	347.9		17.5
Foreign currency translation adjustments [Member]
Accumulated Other Comprehensive Income Loss Total [Roll Forward]
Beginning balance	89.7	284.4	475.3	384.5
Pre-tax income		193.5		93.4
Income tax expense		0		0
Other comprehensive income, net of income taxes	288.2	193.5	(97.4)	93.4
Ending balance	377.9	477.9	377.9	477.9
Foreign currency translation adjustments [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income Loss Total [Roll Forward]
Pre-tax income	0		0
Income tax expense	0		0
Other comprehensive income, net of income taxes	0		0
Foreign currency translation adjustments [Member] | Other Comprehensive Income (Loss) Before Reclassifications [Member]
Accumulated Other Comprehensive Income Loss Total [Roll Forward]
Pre-tax income	288.2		(97.4)
Income tax expense	0		0
Other comprehensive income, net of income taxes	288.2		(97.4)
Pension and Post-Retirement Plan Benefit [Member]
Accumulated Other Comprehensive Income Loss Total [Roll Forward]
Beginning balance	(644.7)	(503.1)	(655.7)	(516.0)
Pre-tax income		12.7		33.0
Income tax expense		(4.6)		(12.0)
Other comprehensive income, net of income taxes	5.5	8.1	16.5	21.0
Ending balance	(639.2)	(495.0)	(639.2)	(495.0)
Pension and Post-Retirement Plan Benefit [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income Loss Total [Roll Forward]
Pre-tax income	8.4		25.2
Income tax expense	(2.9)		(8.7)
Other comprehensive income, net of income taxes	5.5		16.5
Pension and Post-Retirement Plan Benefit [Member] | Other Comprehensive Income (Loss) Before Reclassifications [Member]
Accumulated Other Comprehensive Income Loss Total [Roll Forward]
Pre-tax income	0		0
Income tax expense	0		0
Other comprehensive income, net of income taxes	0		0
Unrealized gain on available-for sale securities [Member]
Accumulated Other Comprehensive Income Loss Total [Roll Forward]
Beginning balance	176.4	143.8	121.2	94.6
Pre-tax income		37.2		115.9
Income tax expense		(14.0)		(43.5)
Other comprehensive income, net of income taxes	59.7	23.2	114.9	72.4
Ending balance	236.1	167.0	236.1	167.0
Unrealized gain on available-for sale securities [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income Loss Total [Roll Forward]
Pre-tax income	0		0
Income tax expense	0		0
Other comprehensive income, net of income taxes	0		0
Unrealized gain on available-for sale securities [Member] | Other Comprehensive Income (Loss) Before Reclassifications [Member]
Accumulated Other Comprehensive Income Loss Total [Roll Forward]
Pre-tax income	95.4		183.8
Income tax expense	(35.7)		(68.9)
Other comprehensive income, net of income taxes	$ 59.7		$ 114.9