Business Segments (Revenue and Operating Profit by Segment) (Details) - USD ($) $ in Millions	3 Months Ended		8 Months Ended
	Sep. 12, 2015	Sep. 06, 2014	Sep. 12, 2015	Sep. 06, 2014
Segment Reporting Information [Line Items]
Revenue	$ 678.9	$ 711.1	$ 1,940.4	$ 1,952.2
Operating profit (loss)	75.9	87.6	187.1	200.3
Lifestyle Group [Member]
Segment Reporting Information [Line Items]
Revenue	250.6	277.9	747.0	780.0
Operating profit (loss)	32.5	45.6	99.2	109.5
Performance Group [Member]
Segment Reporting Information [Line Items]
Revenue	249.1	257.1	715.8	717.1
Operating profit (loss)	54.3	59.2	148.9	153.0
Heritage Group [Member]
Segment Reporting Information [Line Items]
Revenue	150.2	151.3	403.7	385.5
Operating profit (loss)	25.4	26.6	57.7	58.6
Other [Member]
Segment Reporting Information [Line Items]
Revenue	29.0	24.8	73.9	69.6
Operating profit (loss)	1.1	0.3	2.3	1.5
Corporate [Member]
Segment Reporting Information [Line Items]
Operating profit (loss)	$ (37.4)	$ (44.1)	$ (121.0)	$ (122.3)