Stock-Based Compensation - Additional Disclosures (Details) - USD ($)		3 Months Ended
	Aug. 02, 2019	Sep. 30, 2019	Sep. 30, 2018
Stock-based compensation, additional disclosures
Exercises of stock options		$ 1,018,000	$ 4,054,000
Common stock reserved for future issuance or settlement (in shares)		9,600,000
Share-based Payment Arrangement, Expense		$ 9,275,000	$ 8,865,000
Restricted Stock Units
Stock-based compensation, additional disclosures
Weighted average grant-date fair value of RSUs granted		$ 133.15	$ 115.17
Total fair value of shares vested from RSU grants		$ 10,500,000	$ 9,900,000
Total unrecognized compensation cost		$ 53,300,000
Total unrecognized compensation cost, period of recognition		3 years 1 month 6 days
Excess tax benefits from stock-based compensation		$ 3,400,000	$ 3,300,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		247,823
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period		63,619
Stock Options
Stock-based compensation, additional disclosures
Weighted average fair value (in dollars per share)		$ 33.15	$ 31.70
Total unrecognized compensation cost		$ 16,100,000
Total unrecognized compensation cost, period of recognition		3 years 1 month 6 days
Total intrinsic value of options exercised		$ 1,300,000	$ 6,100,000
Exercises of stock options		$ 1,000,000.0	4,100,000
Performance Shares [Member]
Stock-based compensation, additional disclosures
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		403,770
Share-based Payment Arrangement, Expense		$ 0	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period	60,680
2018 Employee Stock Purchase Plan [Member]
Stock-based compensation, additional disclosures
Common stock reserved for future issuance or settlement (in shares)		236,961
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent		85.00%
Share-based Payment Arrangement, Expense		$ 100,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized		250,000