Stock-Based Compensation - Summary of Incentive Equity Awards (Details) - $ / shares	12 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Beginning balance (in shares)	4,201,614	4,478,288	5,137,641
Granted (in shares)	501,192	528,978	1,079,442
Exercised (in shares)	(905,231)	(784,372)	(1,654,877)
Expired/forfeited (in shares)	(26,788)	(21,280)	(83,918)
Ending balance (in shares)	3,770,787	4,201,614	4,478,288
Weighted Average Exercise Price
Beginning balance (in dollars per share)	$ 63.85	$ 55.69	$ 39.63
Granted (in dollars per share)	117.43	98.72	93.42
Exercised (in dollars per share)	46.47	39.94	31.09
Expired/forfeited (in dollars per share)	88.01	94.14	42.89
Ending balance (in dollars per share)	$ 74.97	$ 63.85	$ 55.69
Time-based RSUs
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Beginning balance of RSUs (in shares)	819,299	982,399	1,074,593
Granted RSUs (in shares)	340,006	360,147	456,217
Vesting of RSUs (in shares)	(408,716)	(430,270)	(463,561)
Expired/forfeited RSUs (in shares)	50,591	92,977	84,850
Ending balance of RSUs (in shares)	699,998	819,299	982,399
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Beginning balance (in dollars per share)	$ 92.15	$ 67.72	$ 55.98
Granted (in dollars per share)	118.74	121.11	78.86
Vesting of RSUs (in dollars per share)	78.76	63.97	52.86
Expired/forfeited (in dollars per share)	113.07	76.57	60.18
Ending balance (in dollars per share)	$ 111.37	$ 92.15	$ 67.72
Performance-based RSUs
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Beginning balance of RSUs (in shares)	325,777	395,689	470,862
Granted RSUs (in shares)	110,260	133,213	198,485
Vesting of RSUs (in shares)	(176,900)	(198,420)	(150,068)
Expired/forfeited RSUs (in shares)	7,541	4,705	123,590
Ending balance of RSUs (in shares)	251,596	325,777	395,689
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Beginning balance (in dollars per share)	$ 97.43	$ 74.29	$ 58.26
Granted (in dollars per share)	120.09	116.53	76.71
Vesting of RSUs (in dollars per share)	77.19	64.50	52.96
Expired/forfeited (in dollars per share)	80.24	80.57	43.00
Ending balance (in dollars per share)	$ 122.11	$ 97.43	$ 74.29

Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Vested

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price of options that were either forfeited or expired.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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