Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Gross number of share options (or share units) granted during the period.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of options vested.

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Number of share options (or share units) exercised during the current period.

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Stock-Based Compensation (Details Textual) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2018	Oct. 01, 2017
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options, exercised	0
Stock options, vested	0
Options, granted	0	0
Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options expires after date of grant	10 years
Employee Stock Option \| Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period after the date of grant	1 year
Employee Stock Option \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period after the date of grant	4 years
Restricted stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation cost related to unvested restricted stock grants	$ 1.8
Weighted average period over which unrecognized compensation is expected to be recognized	1 year 2 months 12 days
Restricted stock \| Minimum \| Prior to August 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period after the date of grant	3 years
Restricted stock \| Minimum \| August 2016 and Thereafter
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period after the date of grant	1 year
Restricted stock \| Maximum \| Prior to August 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period after the date of grant	5 years
Restricted stock \| Maximum \| August 2016 and Thereafter
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period after the date of grant	5 years
Omnibus Stock Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share based compensation arrangement by share based payment award number of shares authorized	1,850,000
Shares of common stock available for grant	147,939