Cost Reduction Actions (Details 2) (USD $) In Millions, unless otherwise specified	6 Months Ended	3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended					12 Months Ended	6 Months Ended
	Jun. 28, 2014	Jun. 28, 2014 Other expense (income), net	Jun. 29, 2013 Other expense (income), net	Jun. 28, 2014 Other expense (income), net	Jun. 29, 2013 Other expense (income), net	Jun. 28, 2014 Severance and related costs	Jun. 29, 2013 Severance and related costs	Jun. 28, 2014 Severance and related costs	Jun. 29, 2013 Severance and related costs	Jun. 28, 2014 2014 Actions	Jun. 28, 2014 2014 Actions Severance and related costs	Jun. 28, 2014 2014 Actions Asset impairment charges	Dec. 28, 2013 2012 Program	Jun. 28, 2014 2012 Program Severance and related costs	Jun. 28, 2014 2012 Program Lease and other contract cancellation costs
Cost Reduction Actions
Beginning Balance	$ 6.8													$ 6.6	$ 0.2
Charges (Reversals), net	45.8	38.5	7.8	45.8	15.9	35.9	5.4	42.9	12.2	45.9	43.0	2.9	40.3	(0.1)
Cash payments	(15.4)										(10.0)			(5.3)	(0.1)
Non-cash Impairment	(2.9)											(2.9)
Ending Balance	$ 34.3										$ 33.0			$ 1.2	$ 0.1