Redeemable Noncontrolling Interest (Tables)

6 Months Ended

Mar. 31, 2020

Redeemable Noncontrolling Interest, Equity, Carrying Amount [Abstract]

Redeemable noncontrolling interest

	Three Months Ended March 31, 2020		Period Ended March 31, 2020
Beginning of period	$	2,075.2	$	—
Net earnings attributable to NCI after IPO	14.4		34.7
Net change in hedges, net of tax	(7.9)		(7.5)
Foreign currency translation adjustments	(0.3)		(0.2)
Impact of IPO	—		1,364.6
Redemption value adjustment to NCI	(419.5)		270.3
End of period	$	1,661.9	$	1,661.9

Parent ownership interest, effects of changes, net

	Three Months Ended March 31, 2020		Period Ended March 31, 2020
Net earnings available to Class A Common Stockholders	$	4.2	$	10.2
Transfers to NCI:
Impact of IPO	—		1,364.6
Redemption value adjustment to NCI	(419.5)		270.3
Changes from net earnings available to Class A Common Stockholders and transfers to NCI	$	(415.3)	$	1,645.1