Restructuring Activities (Restructuring Rollforward) (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 01, 2017	Mar. 26, 2016
Restructuring Reserve [Roll Forward]
Restructuring costs	$ 4.6	$ 3.9
Restructuring and impairment costs	20.0	10.7
Amounts paid	(11.7)	(6.7)
2016 Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	2.0
Restructuring and impairment costs	23.9
Amounts paid	(9.9)
Charges against assets	(9.1)
Restructuring reserve, ending balance	6.9
2016 Plan [Member] | Severance and employee related [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	0.8
Restructuring and impairment costs	1.5
Amounts paid	(0.6)
Restructuring reserve, ending balance	1.7
2016 Plan [Member] | Impairment of property and equipment [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	0.0
Restructuring and impairment costs	4.5
Charges against assets	(4.5)
Restructuring reserve, ending balance	0.0
2016 Plan [Member] | Exit or disposal activities [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	1.2
Restructuring and impairment costs	17.9
Amounts paid	(9.3)
Charges against assets	(4.6)
Restructuring reserve, ending balance	5.2
Consumer Direct Operations [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	1.7	8.6
Restructuring and impairment costs		11.0
Amounts paid	(0.1)	(5.2)
Charges against assets		(7.1)
Restructuring reserve, ending balance	1.6	7.3
Consumer Direct Operations [Member] | Severance and employee related [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	0.0	2.1
Restructuring and impairment costs		1.2
Amounts paid		(1.4)
Restructuring reserve, ending balance	0.0	1.9
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	0.0	0.2
Amounts paid	0.0	0.0
Charges against assets	0.0	(0.2)
Restructuring reserve, ending balance	0.0	0.0
Consumer Direct Operations [Member] | Exit or disposal activities [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	1.7	6.5
Restructuring and impairment costs		9.6
Amounts paid	(0.1)	(3.8)
Charges against assets		(6.9)
Restructuring reserve, ending balance	$ 1.6	$ 5.4