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Income Taxes - (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Effective income tax rate (as a percent)	25.30%	26.80%	13.50%	23.00%
Effective income tax rate excluding certain discrete tax items (as a percent)	27.70%	28.30%	27.80%	28.20%
ASU 2016-09
Excess tax benefits from employee stock compensation benefit	$ 0.7	$ 0.4	$ 6.9	$ 1.9

X

- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations excluding certain discrete tax items.

+ References

No definition available.

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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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The tax effects of employee stock option transactions that are recognized differently for financial reporting and tax purposes, occurring during the period and charged or credited directly to shareholders' equity.

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