Accumulated Other Comprehensive Income - Reclassifications out of AOCI (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013
Accumulated other comprehensive income (loss):
Earnings from continuing operations	$ (241.1)	$ (169.5)	$ (627.5)	$ (451.5)
Income taxes on continuing operations	56.8	17.3	177.3	80.3
Amortization of defined benefit pension items, net of tax	236.7	166.0	615.1	434.2
Reclassifications from accumulated other comprehensive loss to earnings | Cost of sales
Accumulated other comprehensive income (loss):
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax			12.1	(14.3)
Reclassifications from accumulated other comprehensive loss to earnings | Unrealized (losses) gains on cash flow hedges, net of tax
Accumulated other comprehensive income (loss):
Income taxes on continuing operations			5.4	(5.3)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax			6.7	9.0
Reclassifications from accumulated other comprehensive loss to earnings | Pension (losses) gains, net of tax
Accumulated other comprehensive income (loss):
Earnings from continuing operations			(6.0)	(7.9)
Income taxes on continuing operations			1.4	2.5
Amortization of defined benefit pension items, net of tax			4.6	5.4
Reclassifications from accumulated other comprehensive loss to earnings | Pension (losses) gains, net of tax | Cost of sales
Accumulated other comprehensive income (loss):
Actuarial losses, reclassification to Statements of Operations and Comprehensive Income			(3.6)	(4.7)
Reclassifications from accumulated other comprehensive loss to earnings | Pension (losses) gains, net of tax | Selling, general and administrative
Accumulated other comprehensive income (loss):
Actuarial losses, reclassification to Statements of Operations and Comprehensive Income			$ 2.4	$ 3.2