Business Combinations and Investments, Goodwill and Acquired Intangible Assets (Narrative) (Details) In Millions, unless otherwise specified			0 Months Ended	12 Months Ended
	Mar. 30, 2014 USD ($)	Dec. 29, 2013 USD ($)	Mar. 01, 2013 RESON A/S [Member] USD ($)	Dec. 30, 2012 RESON A/S [Member] EUR (€)
Business Acquisition [Line Items]
Payments to acquire businesses, net of cash acquired			$ 69.7
Sales reported by acquired entity for last annual period				50.8
Goodwill, net	1,032.7	1,037.8
Acquired intangibles, net	$ 261.2	$ 270.9