Other (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended	3 Months Ended		9 Months Ended
	Apr. 25, 2014	Sep. 28, 2014	Sep. 29, 2013	Sep. 28, 2014	Sep. 29, 2013
Other Income and Expenses [Abstract]
Severance costs		$ 21.4	$ 0.6	$ 26.7	$ 8.3
Severance liability		28.6		28.6
Charge for early termination of distribution agreement				2.6
Pension settlement charge	24.0			9.5
Reduction in reserve for uncertain tax positions				$ (9.5)