Subsequent Events Expected Restructuring Costs (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 14, 2014
Minimum [Member]
Restructuring Cost and Reserve [Line Items]
Estimated pretax restructuring charges	$ 26.6
Minimum [Member] | Impairment of Property and Equipment [Member]
Restructuring Cost and Reserve [Line Items]
Estimated pretax restructuring charges	6.1
Minimum [Member] | Facility Exit Costs [Member]
Restructuring Cost and Reserve [Line Items]
Estimated pretax restructuring charges	11.3
Minimum [Member] | Severance and employee related [Member]
Restructuring Cost and Reserve [Line Items]
Estimated pretax restructuring charges	8.6
Minimum [Member] | Charges Against Assets [Member]
Restructuring Cost and Reserve [Line Items]
Estimated pretax restructuring charges	0.6
Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Estimated pretax restructuring charges	32.0
Maximum [Member] | Impairment of Property and Equipment [Member]
Restructuring Cost and Reserve [Line Items]
Estimated pretax restructuring charges	8.2
Maximum [Member] | Facility Exit Costs [Member]
Restructuring Cost and Reserve [Line Items]
Estimated pretax restructuring charges	12.4
Maximum [Member] | Severance and employee related [Member]
Restructuring Cost and Reserve [Line Items]
Estimated pretax restructuring charges	10.0
Maximum [Member] | Charges Against Assets [Member]
Restructuring Cost and Reserve [Line Items]
Estimated pretax restructuring charges	$ 1.4