Business Segments (Revenue and Operating Profit by Segment) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 28, 2015	Mar. 22, 2014
Segment Reporting Information [Line Items]
Revenue	$ 631.4	$ 627.6
Operating profit (loss)	63.6	63.7
Performance Group [Member]
Segment Reporting Information [Line Items]
Revenue	243.4	248.8
Operating profit (loss)	55.7	58.0
Lifestyle Group [Member]
Segment Reporting Information [Line Items]
Revenue	243.0	238.0
Operating profit (loss)	29.5	25.0
Heritage Group [Member]
Segment Reporting Information [Line Items]
Revenue	126.1	120.7
Operating profit (loss)	18.1	17.7
Other [Member]
Segment Reporting Information [Line Items]
Revenue	18.9	20.1
Operating profit (loss)	(0.3)	(1.4)
Corporate [Member]
Segment Reporting Information [Line Items]
Operating profit (loss)	$ (39.4)	$ (35.6)