The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Goodwill and Other Intangible Assets - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Sep. 29, 2018	Sep. 30, 2017
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 2,100,000	$ 0	$ 4,000,000.0	$ 0
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Useful lives			12 years
Noncompete agreements
Finite-Lived Intangible Assets [Line Items]
Useful lives			4 years
Trade names
Finite-Lived Intangible Assets [Line Items]
Useful lives			3 years
Favorable leasehold interest
Finite-Lived Intangible Assets [Line Items]
Useful lives			12 years
Cedar Creek
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 36,787,000		$ 36,787,000