Long-Term Debt (Details)		3 Months Ended						9 Months Ended
	Nov. 04, 2016 USD ($)	Jul. 03, 2018	Jan. 02, 2018	Oct. 03, 2017	Jul. 04, 2017	Dec. 27, 2016 USD ($)	Sep. 27, 2016 USD ($)	Sep. 27, 2016 USD ($)
Line of Credit Facility [Line Items]
Maximum borrowing capacity							$ 100,000,000.0	$ 100,000,000.0
Document Period End Date								Sep. 27, 2016
Amount outstanding							84,500,000	$ 84,500,000
Letters of credit outstanding							$ 2,700,000	$ 2,700,000
Subsequent Event [Member] | 2016 Credit Facility [Member]
Line of Credit Facility [Line Items]
Periodic payment	$ 2,500,000
Covenant term amount	1,500,000
Covenant term, general and admin expense Amount	2,700,000
Liquidity amount in covenant ratio	$ 10,000,000.0
Line of Credit [Member]
Line of Credit Facility [Line Items]
Minimum fixed charge leverage ratio, upper limit							1.50
Line of Credit [Member] | Subsequent Event [Member]
Line of Credit Facility [Line Items]
Maximum leverage ratio	5.50
Minimum fixed charge leverage ratio, lower limit	1.15
Negative covenant ratio	5.00
Scenario, Forecast [Member]
Line of Credit Facility [Line Items]
Growth capital expenditures						$ 4,000,000.0
Growth capital expenditures thereafter						$ 10,000,000.0
Scenario, Forecast [Member] | Line of Credit [Member]
Line of Credit Facility [Line Items]
Maximum leverage ratio		4.75	5.00		5.25
Minimum fixed charge leverage ratio				1.25
Minimum [Member]
Line of Credit Facility [Line Items]
Interest rate								2.59%
Maximum [Member]
Line of Credit Facility [Line Items]
Interest rate								5.50%