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Recent Accounting Standards Adopted (Details) - USD ($) $ in Thousands		6 Months Ended
	Dec. 30, 2017	Jun. 30, 2018
Recent Accounting Standards Adopted
Increase in cumulative effect adjustment on fiscal 2018 opening balance of retained earnings		$ 366
ASU 2016-09
Recent Accounting Standards Adopted
Increase in cumulative effect adjustment on fiscal 2018 opening balance of retained earnings	$ 400

X

- Definition

Amount of the cumulative effect on retained earnings net of related income tax effect.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=64853466&loc=d3e22663-107794

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+ References

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