XML 87 R76.htm IDEA: XBRL DOCUMENT v3.20.2
Income Taxes - Reconciliation of Income Tax Expense at the Statutory Rate (Parenthetical) (Detail)
12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Income Taxes Paid, Net [Abstract]    
Statutory tax rate 21.00% 21.00%