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Stockholders' Equity (Narrative) (Details) $ in Millions | 6 Months Ended
--- | ---
Dec. 29, 2017 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Common stock issued under ESPP | shares | 524
2007 Stock Plan |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Stock issued for option exercised | shares | (191)
2007 Stock Plan | Options |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Nonvested awards, unrecognized compensation expense | $ | $ 0.1
Nonvested awards, expense expected to be recognized, weighted average period | 7 months 2 days
2007 Stock Plan | Restricted stock units and performance stock units |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Nonvested awards, unrecognized compensation expense | $ | $ 2.5
Nonvested awards, expense expected to be recognized, weighted average period | 1 year 2 months 16 days

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