Business Segments (Assets and Goodwill by Segment) (Details) - USD ($) $ in Millions	Sep. 12, 2015	Jan. 03, 2015	Sep. 06, 2014	Dec. 28, 2013
Segment Reporting Information [Line Items]
Total assets	$ 2,588.2	$ 2,504.5	$ 2,727.7
Goodwill	432.1	438.8	443.9	$ 445.3
Lifestyle Group [Member]
Segment Reporting Information [Line Items]
Total assets	1,393.5	1,378.8	1,453.8
Goodwill	317.4	323.8	327.8
Performance Group [Member]
Segment Reporting Information [Line Items]
Total assets	543.1	485.8	533.0
Goodwill	92.4	92.5	92.7
Heritage Group [Member]
Segment Reporting Information [Line Items]
Total assets	287.8	246.4	251.7
Goodwill	22.3	22.5	23.4
Other [Member]
Segment Reporting Information [Line Items]
Total assets	52.7	52.1	122.7
Corporate [Member]
Segment Reporting Information [Line Items]
Total assets	$ 311.1	$ 341.4	$ 366.5