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Income Taxes (Tables) | 3 Months Ended
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Sep. 30, 2018
Income Tax Disclosure [Abstract] |
Interest and Penalties Related to Liabilities for Income Tax Expense | For the three months ended September 30, 2018 and 2017, we recognized the following amounts as income tax-related interest expense and penalties:
| Three Months Ended September 30,
| 2018 |  | 2017
Interest expense | $ | 3,037 |  |  | $ | 2,086 |
Penalties expense (recoveries) | 492 |  |  | 81 |
Total | $ | 3,529 |  |  | $ | 2,167 |
The following amounts have been accrued on account of income tax-related interest expense and penalties:
| As of September 30, 2018 |  | As of June 30, 2018
Interest expense accrued * | $ | 56,886 |  |  | $ | 54,058 |
Penalties accrued * | $ | 2,373 |  |  | $ | 2,438 |
* These balances have been included within "Long-term income taxes payable" within the Condensed Consolidated Balance Sheets.

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