Quarterly report pursuant to Section 13 or 15(d)

Equity and Long-Term Incentive Compensation Plans - Restricted Stock Unit Activities (Details)

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Equity and Long-Term Incentive Compensation Plans - Restricted Stock Unit Activities (Details)
$ / shares in Units, shares in Thousands, $ in Millions
 3 Months Ended 6 Months Ended
Dec. 31, 2018
USD ($)
$ / shares
shares
Dec. 31, 2017
$ / shares
Dec. 31, 2018
USD ($)
Installment
$ / shares
shares
Dec. 31, 2017
$ / shares
Jun. 30, 2018
shares
Jun. 30, 2017
shares
Restricted Stock Units Activity, Weighted Average Grant Date Fair Value Rollforward            
Maximum number of shares available for grant (in shares) [1] 15,030   15,030   3,680  
Restricted stock units            
Restricted Stock Units Activity Rollforward            
Granted (in shares) [1],[2]     675      
Granted adjustments (in shares) [1],[3]     (5)      
Forfeited (in shares) [1]     (20)      
Restricted Stock Units Activity, Weighted Average Grant Date Fair Value Rollforward            
Restricted stock units granted, weighted-average grant date fair value (in dollars per share) | $ / shares $ 96.51 $ 105.15 $ 117.21 $ 91.39    
Unrecognized stock-based compensation balance | $ $ 116.4   $ 116.4      
Estimated weighted-average amortization period     1 year 6 months 12 days      
Intrinsic value, RSUs | $ $ 151.5   $ 151.5      
Restricted stock unit, Service-based | Minimum            
Restricted Stock Units Activity, Weighted Average Grant Date Fair Value Rollforward            
Service and performance-based, number of equal vesting installments | Installment     3      
Restricted stock unit, Service-based | Maximum            
Restricted Stock Units Activity, Weighted Average Grant Date Fair Value Rollforward            
Service and performance-based, number of equal vesting installments | Installment     4      
Restricted stock unit, Performance-based and Service-based            
Restricted Stock Units Activity, Weighted Average Grant Date Fair Value Rollforward            
Maximum number of shares available for grant (in shares) 400   400      
Service and performance-based, number of equal vesting installments | Installment     2      
First anniversary | Restricted stock unit, Service-based | Minimum            
Restricted Stock Units Activity, Weighted Average Grant Date Fair Value Rollforward            
Service and performance-based, percentage of equal vesting installments (as a percent)     33.33%      
First anniversary | Restricted stock unit, Service-based | Maximum            
Restricted Stock Units Activity, Weighted Average Grant Date Fair Value Rollforward            
Service and performance-based, percentage of equal vesting installments (as a percent)     25.00%      
Second anniversary | Restricted stock unit, Service-based | Minimum            
Restricted Stock Units Activity, Weighted Average Grant Date Fair Value Rollforward            
Service and performance-based, percentage of equal vesting installments (as a percent)     33.33%      
Second anniversary | Restricted stock unit, Service-based | Maximum            
Restricted Stock Units Activity, Weighted Average Grant Date Fair Value Rollforward            
Service and performance-based, percentage of equal vesting installments (as a percent)     25.00%      
Third anniversary | Restricted stock unit, Service-based | Minimum            
Restricted Stock Units Activity, Weighted Average Grant Date Fair Value Rollforward            
Service and performance-based, percentage of equal vesting installments (as a percent)     33.33%      
Third anniversary | Restricted stock unit, Service-based | Maximum            
Restricted Stock Units Activity, Weighted Average Grant Date Fair Value Rollforward            
Service and performance-based, percentage of equal vesting installments (as a percent)     25.00%      
Third anniversary | Restricted stock unit, Performance-based and Service-based            
Restricted Stock Units Activity, Weighted Average Grant Date Fair Value Rollforward            
Service and performance-based, percentage of equal vesting installments (as a percent)     50.00%      
Fourth anniversary | Restricted stock unit, Service-based | Maximum            
Restricted Stock Units Activity, Weighted Average Grant Date Fair Value Rollforward            
Service and performance-based, percentage of equal vesting installments (as a percent)     25.00%      
Fourth anniversary | Restricted stock unit, Performance-based and Service-based            
Restricted Stock Units Activity, Weighted Average Grant Date Fair Value Rollforward            
Service and performance-based, percentage of equal vesting installments (as a percent)     50.00%      
2004 Plan | Restricted stock units            
Restricted Stock Units Activity Rollforward            
Outstanding restricted stock units as of June 30, 2018 (in shares) [4],[5]     2,014      
Granted (in shares) [4],[5]     338      
Granted adjustments (in shares) [5],[6]     (2)      
Vested and released (in shares) [5]     (383)      
Withheld for taxes (in shares) [5]     (264)      
Forfeited (in shares) [5]     (10)      
Outstanding restricted stock units as of December 31, 2018 (in shares) [4],[5] 1,693   1,693      
Restricted Stock Units Activity, Weighted Average Grant Date Fair Value Rollforward            
Outstanding restricted stock units as of June 30, 2018, weighted-average grant date fair value (in dollars per share) | $ / shares [4]     $ 76.50      
Restricted stock units granted, weighted-average grant date fair value (in dollars per share) | $ / shares [4]     117.21      
Restricted stock units granted adjustments, weighted-average grant date fair value (in dollars per share) | $ / shares [6]     50.88      
Restricted stock units vested and released, weighted-average grant date fair value (in dollars per share) | $ / shares     66.41      
Restricted stock units withheld for taxes, weighted-average grant date fair value (in dollars per share) | $ / shares     66.41      
Restricted stock units forfeited, weighted-average grant date fair value (in dollars per share) | $ / shares     81.55      
Outstanding restricted stock units as of December 31, 2018, weighted-average grant date fair value (in dollars per share) | $ / shares [4] $ 88.48   $ 88.48      
2004 Plan | Restricted stock unit, Performance-based and Service-based            
Restricted Stock Units Activity, Weighted Average Grant Date Fair Value Rollforward            
Maximum number of shares available for grant (in shares) 200   200   200 42
Awards Granted before November 6, 2013 | 2004 Plan            
Restricted Stock Units Activity, Weighted Average Grant Date Fair Value Rollforward            
Impact on share reserve multiplier 1.8   1.8      
Awards Granted after November 6, 2013 | 2004 Plan            
Restricted Stock Units Activity, Weighted Average Grant Date Fair Value Rollforward            
Impact on share reserve multiplier 2.0   2.0      
[1] The number of RSUs reflects the application of the award multiplier (1.8x or 2.0x depending on the grant date of the applicable award)
[2] Includes RSUs granted to senior management during the six months ended December 31, 2018 with performance-based vesting criteria (in addition to service-based vesting criteria for any of such RSUs that are deemed to have been earned). As of December 31, 2018, it had not yet been determined the extent to which (if at all) the performance-based vesting criteria had been satisfied. Therefore, this line item includes all such performance-based RSUs granted during the six months ended December 31, 2018, reported at the maximum possible number of shares that may ultimately be issuable if all applicable performance-based criteria are achieved at their maximum levels and all applicable service-based criteria are fully satisfied (0.4 million shares for the six months ended December 31, 2018 reflects the application of the multiplier described above).
[3] Represents the portion of RSUs granted with performance-based vesting criteria and reported at the actual number of shares issued upon achievement of the performance vesting criteria during the six months ended December 31, 2018
[4] Includes RSUs granted to senior management with performance-based vesting criteria (in addition to service-based vesting criteria for any of such RSUs that are deemed to have been earned). As of December 31, 2018, it had not yet been determined the extent to which (if at all) the performance-based vesting criteria had been satisfied. Therefore, this line item includes all such performance-based RSUs, reported at the maximum possible number of shares (42 thousand shares for the fiscal year ended June 30, 2017, 0.2 million shares for the fiscal year ended June 30, 2018 and 0.2 million shares for the six months ended December 31, 2018) that may ultimately be issuable if all applicable performance-based criteria are achieved at their maximum and all applicable service-based criteria are fully satisfied
[5] Share numbers reflect actual shares subject to awarded RSUs. Under the terms of the 2004 Plan, the number of shares subject to each award reflected in this number is multiplied by either 1.8x or 2.0x (depending on the grant date of the award) to calculate the impact of the award on the share reserve under the 2004 Plan.
[6] Represents the portion of RSUs granted with performance-based vesting criteria and reported at the actual number of shares issued upon achievement of the performance vesting criteria during six months ended December 31, 2018.