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Operational Efficiency Initiatives - Narrative - (Details) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Jul. 02, 2016 USD ($)	Oct. 01, 2016 distribution_center position	Dec. 31, 2016 USD ($)	Jan. 02, 2016 USD ($)	Jan. 03, 2015 USD ($)
Restructuring Cost and Reserve [Line Items]
Severance charges			$ 1,441	$ 1,432	$ 2,067
Restructuring Charges			7,000
Operational Efficiency Initiatives | Facility Lease Obligation
Restructuring Cost and Reserve [Line Items]
Number of stores closed | distribution_center		4
Number of positions eliminated | position		60
Selling, general and administrative expenses | Operational Efficiency Initiatives
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			3,600
Selling, general and administrative expenses | Operational Efficiency Initiatives | Facility Lease Obligation
Restructuring Cost and Reserve [Line Items]
Severance charges	$ 1,200		1,200
Cost of Sales | Operational Efficiency Initiatives
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			$ 2,200

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