v3.19.2
Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2017
Income tax reconciliation      
Provision for income taxes at U.S. statutory rate $ 127.5 $ 157.4 $ 170.8
Increase (decrease) in Provision for income taxes from:      
State taxes, net of federal tax 12.0 9.4 6.7
Foreign tax differential 3.8 (2.4) (6.9)
Valuation allowances 0.4 (5.0) (0.6)
Non-taxable investment gain 0.0 0.0 (3.3)
Stock-based compensation - ETB (19.3) (40.9) 0.0
Tax Act Items (0.5) 15.4 0.0
Other 1.3 (0.8) (5.3)
Total Provision for income taxes $ 125.2 $ 133.1 $ 161.4
Tax rate reconciliation (percent)      
Provision for income taxes at U.S. statutory rate 21.00% 28.10% 35.00%
Increase (decrease) in Provision for income taxes from:      
State taxes, net of federal tax 2.00% 1.70% 1.40%
Foreign tax differential 0.60% (0.40%) (1.40%)
Valuation allowances 0.10% (0.90%) (0.10%)
Non-taxable investment gain 0.00% 0.00% (0.70%)
Stock-based compensation - ETB (3.20%) (7.30%) 0.00%
Tax Act Items (0.001) 0.027 0
Other 0.20% (0.10%) (1.10%)
Total Provision for income taxes 20.60% 23.70% 33.10%