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Fair Value Measurements (Details) - USD ($) $ in Millions			12 Months Ended
	Mar. 08, 2021	Aug. 07, 2018	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Contingent consideration		$ 20.0	$ 0.0
Contingent consideration paid	$ 20.0
Transfers into Level 3			0.0	$ 0.0
Transfers out of Level 3			$ 0.0	$ 0.0
NewCourtland LIFE Program
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchase price		30.0			$ 30.0
Contingent consideration paid	$ 20.0
NewCourtland LIFE Program | Maximum
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Contingent consideration		$ 20.0			$ 20.0

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- Definition

Contingent consideration paid.

+ References

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

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Amount of transfers of financial instrument classified as a liability into level 3 of the fair value hierarchy.

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Amount of transfers of financial instrument classified as a liability out of level 3 of the fair value hierarchy.

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