Stock-Based Compensation (Details 1) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Dec. 30, 2018	Dec. 31, 2017	Dec. 30, 2018	Dec. 31, 2017
Intrinsic value of stock options exercised and the fair value of stock options vested
Intrinsic Value of Options Exercised	$ 55	$ 110	$ 55	$ 110

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(2)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration