Income Taxes Income Tax Expense (Benefit) Reconciliation to Statutory Rate (Details)	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Income Tax Examination [Line Items]
Statutory federal income tax	35.00%	35.00%	35.00%
State income taxes, net of federal benefit	2.60%	3.00%	2.50%
Manufacturing deduction	(3.30%)	(1.70%)	(3.30%)
Changes in unrecognized tax benefits	1.20%	0.30%	0.30%
Non-taxable acquisition-related transactions	0.00%	(2.60%)	0.00%
Other	(3.20%)	(1.00%)	(1.10%)
Effective income tax rate	32.30%	33.00%	33.40%