Revenue from Contracts with Customers Contract Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 29, 2018	Dec. 30, 2017
Revenue from Contract with Customer [Abstract]
Trade receivables	$ 259,075	$ 260,455
Contract assets (current)	529	300
Contract assets (long-term)	2,188	2,350
Contract liabilities	$ 44,858	$ 54,527

For unclassified balance sheet, amounts due from customers or clients for goods or services that have been delivered or sold in the normal course of business.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
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- Definition

Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.

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- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
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