Share-Based Compensation - Expense by Award Type (Detail) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense	$ 15,502	$ 16,160
Stock options and cash-based stock appreciation rights
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense	1,920	1,670
Restricted share awards and cash-based restricted share unit awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense	10,110	12,731
Performance share awards and cash-based performance share unit awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense	$ 3,472	$ 1,759