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New Accounting Pronouncements New Accounting Pronouncements and Changes in Accounting Principles (Details) - USD ($) $ in Thousands		3 Months Ended
	Dec. 30, 2018	Mar. 30, 2019	Mar. 31, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Adoption of ASC 842	$ 2,084,880	$ 2,084,880	$ 0
Adoption of ASU 2017-12		$ 717

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- Definition

Adoption of ASU 2017-12

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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- Definition

Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements.

+ References

No definition available.

+ Details

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