Stock-Based Compensation - Annual Performance-Based Awards Granted (Detail)	3 Months Ended
	Sep. 30, 2020 shares
FY2021 PRSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
PRSUs granted	7,059
FY2020 PRSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
PRSUs granted	108,844
FY2019 PRSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
PRSUs granted	129,108
Additional PRSUs earned pursuant to condition	12,462