Leases - Impact of Adoption of ASU 842 (Details) - USD ($) $ in Thousands	Sep. 28, 2019	Jan. 01, 2019	Dec. 31, 2018
Leases [Abstract]
Right-of-use assets	$ 48,684	$ 46,162	$ 0
Prepaid Rent		(646)
Short-term lease liability		(8,892)
Deferred Rent Credit, Current		274
Long-term lease liability	$ (44,375)	(42,639)	$ 0
Deferred Rent Credit, Noncurrent		5,741
Deferred tax asset		11,629
Deferred tax liability		$ (11,629)

For a classified balance sheet, the cumulative difference as of the balance sheet date between the payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense, by the lessor or lessee, respectively, within one year of the balance sheet date.

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For a classified balance sheet, the cumulative difference between the rental income or payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense, by the lessor or lessee, respectively, more than one year after the balance sheet date.

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Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements.

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No definition available.

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The liability for taxes payable in the future as a result of temporary differences in treatment of certain items in the current year arising from the net investment in arrangements meeting the criteria for classification as a leveraged lease.

+ References

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

+ References

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Amount of lessee's right to use underlying asset under operating lease.

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Amount of asset related to consideration paid in advance for rent that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

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