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Leases - Lease Costs included in the Condensed Consolidated Statements on Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 28, 2019	Sep. 28, 2019
Finance lease costs
Sublease Income	$ 48	$ 133
Total lease costs	7,159	21,194
Cost of sales
Lessee, Lease, Description [Line Items]
Fixed	438	1,366
Short-term / variable	317	635
Finance lease costs
Amortization	154	307
Selling and administrative expenses
Lessee, Lease, Description [Line Items]
Fixed	5,913	18,212
Short-term / variable	$ 385	$ 807

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- Definition

Short-term And Variable Lease Cost

+ References

No definition available.

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- Definition

Amount of amortization expense attributable to right-of-use asset from finance lease.

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Amount of lease cost recognized by lessee for lease contract.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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Amount of sublease income excluding finance and operating lease expense.

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