Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Property, Plant and Equipment) (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 03, 2016	Dec. 28, 2014	Dec. 29, 2013
Property, Plant and Equipment [Line Items]
Depreciation	$ 58.3	$ 62.3	$ 59.6
Building | Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	45 years
Equipment | Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	18 years
Equipment | Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	5 years
Computer hardware and software | Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	7 years
Computer hardware and software | Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	3 years