Accumulated Other Comprehensive Loss (Details) $ in Thousands	6 Months Ended
Jun. 25, 2019 USD ($)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ 213,582
Ending balance	198,916
Net Unrealized Gains (Losses) Related to Derivatives
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(629)
Net change in fair value of derivatives, net of tax	(943)
Amounts reclassified to earnings of cash flow hedges, net of tax	243
Ending balance	(1,329)
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(629)
Net change in fair value of derivatives, net of tax	(943)
Amounts reclassified to earnings of cash flow hedges, net of tax	243
Ending balance	$ (1,329)

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