Basis of Presentation and Other Information - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended			12 Months Ended
	Apr. 01, 2020	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2019	Mar. 11, 2020
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Prepaid expenses and other		$ 60,923	$ 60,527		$ 60,527
Retained earnings		443,290	430,010		430,010
Property, plant and equipment, net		695,920	701,514		701,514
Deferred income taxes		137,674	137,567		137,567
Depreciation expense		36,911		$ 41,179
Income tax expense		4,292		4,210
Net income		$ 13,280		$ 13,910
Subsequent Event | Affiliated Entity
Subsequent Event [Line Items]
Negotiation period	90 days
Option to purchase assets, period	60 days
Purchase option, value of business percentage	90.00%
Option to purchase network, period	60 days
COVID-19
Subsequent Event [Line Items]
Percentage of stores temporarily closed						40.00%
Correction of Error | Prior Period Errors
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Prepaid expenses and other			2,700		2,700
Deferred tax liabilities, net			700		700
Retained earnings			2,000		2,000
Property, plant and equipment, net			1,400		1,400
Deferred income taxes			400		400
Depreciation expense			(1,400)		(1,400)
Income tax expense			400		400
Net income			$ 1,000		$ 1,000
Increase (decrease) in earnings per share, basic (in dollars per share)			$ 0.02		$ 0.02
Increase (decrease) in earnings per share, diluted (in dollars per share)			$ 0.02		$ 0.02