Restructuring Activities (Restructuring Rollforward) (Details) - USD ($) $ in Millions	3 Months Ended		8 Months Ended		12 Months Ended
	Sep. 12, 2015	Sep. 06, 2014	Sep. 12, 2015	Sep. 06, 2014	Dec. 28, 2013
Restructuring Reserve [Roll Forward]
Restructuring costs	$ 0.0	$ 0.1	$ 0.0	$ 0.6
Restructuring and impairment costs	4.8	8.0	7.5	11.4
Amounts paid			(6.7)	(1.0)
Consumer Direct Operations [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			7.5	0.0
Restructuring and impairment costs			2.5	7.4
Amounts paid			(6.1)	(0.3)
Charges against assets			(2.1)	(6.4)
Restructuring reserve, ending balance	1.8	0.7	1.8	0.7	$ 0.0
Consumer Direct Operations [Member] | Severance and employee related [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			1.0	0.0
Restructuring and impairment costs			1.8	1.0
Amounts paid			(1.9)	(0.3)
Restructuring reserve, ending balance	0.9	0.7	0.9	0.7	0.0
Consumer Direct Operations [Member] | Impairment of property and equipment [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			0.0	0.0
Restructuring and impairment costs			0.3	5.0
Charges against assets			(0.3)	(5.0)
Restructuring reserve, ending balance	0.0	0.0	0.0	0.0	0.0
Consumer Direct Operations [Member] | Exit or disposal activities [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			6.5	0.0
Restructuring and impairment costs			0.4	1.4
Amounts paid			(4.2)
Charges against assets			(1.8)	(1.4)
Restructuring reserve, ending balance	$ 0.9	0.0	$ 0.9	0.0	0.0
Manufacturing Operations [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance				0.5
Restructuring costs				0.6	7.6
Amounts paid				(0.7)
Charges against assets				(0.2)
Restructuring reserve, ending balance		0.2		0.2	0.5
Manufacturing Operations [Member] | Severance and employee related [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance				0.0
Restructuring costs				0.1
Amounts paid				(0.1)
Restructuring reserve, ending balance		0.0		0.0	0.0
Manufacturing Operations [Member] | Exit or disposal activities [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance				0.5
Restructuring costs				0.5
Amounts paid				(0.6)
Charges against assets				(0.2)
Restructuring reserve, ending balance		$ 0.2		$ 0.2	$ 0.5