Leases - Other Lease Related Information (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 29, 2020	Mar. 31, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows used by operating leases	$ 14,629	$ 15,246
Operating cash flows used by finance leases	225	276
Financing cash flows used by finance leases	2,687	2,281
Leased assets obtained in exchange for new operating lease liabilities	12,048	661
Leased assets obtained in exchange for new finance lease liabilities	$ 493	$ 0

Amount of interest paid on finance lease liability.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
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- Definition

Amount of cash outflow for principal payment on finance lease.

+ References

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-Publisher FASB
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- References

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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount of increase in right-of-use asset obtained in exchange for finance lease liability.

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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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