Stock-Based Compensation - Summary of Incentive Equity Awards (Details) - $ / shares		3 Months Ended		6 Months Ended
		Dec. 31, 2016		Dec. 31, 2016
Stock Options
Number of Awards
Number of awards, beginning balance (in shares)		5,634,253		7,059,067
Granted (in shares)		40,048		40,048
Exercise of stock options (in shares)		(74,058)	[1]	(1,458,633)	[2]
Expired/forfeited (in shares)		0		(40,239)
Number of awards, ending balance (in shares)	[3]	5,600,243		5,600,243
Weighted-Average Exercise Price
Weighted-average exercise price, beginning balance (in dollars per share)		$ 34.82		$ 32.57
Weighted-Average Exercise Price, Granted (in dollars per share)		64.89		64.89
Weighted-Average Exercise Price, Exercise of stock options (in dollars per share)		20.65	[1]	23.11	[2]
Weighted-Average Exercise Price, Expired/forfeited (in dollars per share)		0.00		38.97
Weighted-average exercise price, ending balance (in dollars per share)	[3]	$ 35.22		$ 35.22
Time-Based Restricted Stock Units
Number of Awards
Number of awards, beginning balance (in shares)		1,205,927		1,202,896
Granted (in shares)		469,895		485,790
Vesting of restricted stock units (in shares)		(2,460)		(2,460)
Expired/forfeited (in shares)		(17,135)		(29,999)
Number of awards, ending balance (in shares)	[4]	1,656,227		1,656,227
Weighted-Average Grant Date Fair Value
Weighted-average grant date fair value, beginning balance (in dollars per share)		$ 44.62		$ 44.34
Weighted-average grant date fair value, granted (in dollars per share)		64.15		64.23
Weighted-average grant date fair value, vesting of restricted stock units (in dollars per share)		55.17		55.17
Weighted-average grant date fair value, expired/forfeited (in dollars per share)		56.77		51.72
Weighted-average grant date fair value, ending balance (in dollars per share)	[4]	$ 50.02		$ 50.02
Performance-Based Restricted Stock Units
Number of Awards
Number of awards, beginning balance (in shares)		458,819		468,516
Granted (in shares)		150,687		163,026
Vesting of restricted stock units (in shares)		0		0
Expired/forfeited (in shares)		(4,804)		(26,840)
Number of awards, ending balance (in shares)	[4]	604,702		604,702
Weighted-Average Grant Date Fair Value
Weighted-average grant date fair value, beginning balance (in dollars per share)		$ 47.44		$ 47.15
Weighted-average grant date fair value, granted (in dollars per share)		64.58		63.74
Weighted-average grant date fair value, vesting of restricted stock units (in dollars per share)		0.00		0.00
Weighted-average grant date fair value, expired/forfeited (in dollars per share)		65.94		48.54
Weighted-average grant date fair value, ending balance (in dollars per share)	[4]	$ 51.56		$ 51.56

[1] Stock options exercised during the period of October 1, 2016 through December 31, 2016 had an aggregate intrinsic value of $3.3 million.

[2] Stock options exercised during the period of July 1, 2016 through December 31, 2016 had an aggregate intrinsic value of $66.2 million.

[3] As of December 31, 2016, the Company’s outstanding vested and currently exercisable stock options using the December 31, 2016 closing stock price of $66.30 (approximately 2.9 million shares) had an aggregate intrinsic value of $108.5 million with a weighted-average exercise price of $28.41 and a weighted-average remaining contractual life of 5.2 years. The total of all stock options outstanding as of December 31, 2016 have a weighted-average remaining contractual life of 6.4 years.

[4] As of December 31, 2016, time-based restricted stock units and performance-based restricted stock units expected to vest using the December 31, 2016 closing stock price of $66.30 (approximately 1.6 million and 0.6 million shares, respectively) had an aggregate intrinsic value of $104.1 million and $37.8 million, respectively.