Facility Consolidation and Severance Expenses, Net (Details) - USD ($) $ in Thousands		9 Months Ended
		Sep. 29, 2018	Sep. 30, 2017
Restructuring Cost and Reserve [Line Items]
Accrued Balance		$ 505	$ 514
Expenses To Date	[1]	936	0
Cash Payments		979	296
Accrued Balance		462	218
Total Costs Incurred To Date		9,819
Expected Cost Remaining		12,348
2014 Warehousing Distribution and Manufacturing Consolidation Plan [Member]
Restructuring Cost and Reserve [Line Items]
Accrued Balance		0	266
Expenses To Date	[1]	0	0
Cash Payments		0	238
Accrued Balance		0	28
Total Costs Incurred To Date		7,440
Expected Cost Remaining		7,440
2015 Corporate Office Consolidation Plan [Member]
Restructuring Cost and Reserve [Line Items]
Accrued Balance		171	248
Expenses To Date	[1]	6	0
Cash Payments		61	58
Accrued Balance		116	190
Total Costs Incurred To Date		813
Expected Cost Remaining		813
2017 Profit Improvement Plan [Member]
Restructuring Cost and Reserve [Line Items]
Accrued Balance		334
Expenses To Date	[1]	930
Cash Payments		918
Accrued Balance		346
Total Costs Incurred To Date		1,566
Expected Cost Remaining		4,095
Asset Impairments [Member]
Restructuring Cost and Reserve [Line Items]
Accrued Balance		0	0
Expenses To Date		349	0
Cash Payments		0	0
Accrued Balance		0	$ 0
Total Costs Incurred To Date		349
Expected Cost Remaining		$ 349

[1] Costs incurred under these plans are classified as "facility consolidation and severance expenses, net" in the Company's Consolidated Condensed Statements of Operations.