Summary of Significant Accounting Policies (Details)	12 Months Ended
	Jan. 01, 2015
Buildings | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives (in years)	20 years
Buildings | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives (in years)	30 years
Equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives (in years)	3 years
Equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives (in years)	20 years
Computer equipment and software | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives (in years)	3 years
Computer equipment and software | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives (in years)	5 years