STOCK-BASED COMPENSATION: Future expense, by award type (Details) $ in Millions	Jun. 30, 2020 USD ($)
Share-based compensation
Total	$ 213.7
2021
Share-based compensation
Total	70.7
2022
Share-based compensation
Total	74.8
2023
Share-based compensation
Total	45.3
2024
Share-based compensation
Total	20.9
2025
Share-based compensation
Total	2.0
Stock options
Share-based compensation
Share-based compensation not yet recognized	2.8
Stock options \| 2021
Share-based compensation
Share-based compensation not yet recognized	1.4
Stock options \| 2022
Share-based compensation
Share-based compensation not yet recognized	1.1
Stock options \| 2023
Share-based compensation
Share-based compensation not yet recognized	0.3
Stock options \| 2024
Share-based compensation
Share-based compensation not yet recognized	0.0
Stock options \| 2025
Share-based compensation
Share-based compensation not yet recognized	0.0
Restricted stock units
Share-based compensation
Future share-based compensation expense expected	171.7
Restricted stock units \| 2021
Share-based compensation
Future share-based compensation expense expected	49.4
Restricted stock units \| 2022
Share-based compensation
Future share-based compensation expense expected	56.4
Restricted stock units \| 2023
Share-based compensation
Future share-based compensation expense expected	43.0
Restricted stock units \| 2024
Share-based compensation
Future share-based compensation expense expected	20.9
Restricted stock units \| 2025
Share-based compensation
Future share-based compensation expense expected	2.0
Consideration Holdback \| Data Plus Math Corporation
Share-based compensation
Future share-based compensation expense expected	16.2
Consideration Holdback \| Data Plus Math Corporation \| 2021
Share-based compensation
Future share-based compensation expense expected	6.1
Consideration Holdback \| Data Plus Math Corporation \| 2022
Share-based compensation
Future share-based compensation expense expected	8.1
Consideration Holdback \| Data Plus Math Corporation \| 2023
Share-based compensation
Future share-based compensation expense expected	2.0
Consideration Holdback \| Data Plus Math Corporation \| 2024
Share-based compensation
Future share-based compensation expense expected	0.0
Consideration Holdback \| Data Plus Math Corporation \| 2025
Share-based compensation
Future share-based compensation expense expected	0.0
Pacific Data Partners, LLC Agreement Plan \| Pacific Data Partners LLC
Share-based compensation
Future share-based compensation expense expected	23.0
Pacific Data Partners, LLC Agreement Plan \| Pacific Data Partners LLC \| 2021
Share-based compensation
Future share-based compensation expense expected	13.8
Pacific Data Partners, LLC Agreement Plan \| Pacific Data Partners LLC \| 2022
Share-based compensation
Future share-based compensation expense expected	9.2
Pacific Data Partners, LLC Agreement Plan \| Pacific Data Partners LLC \| 2023
Share-based compensation
Future share-based compensation expense expected	0.0
Pacific Data Partners, LLC Agreement Plan \| Pacific Data Partners LLC \| 2024
Share-based compensation
Future share-based compensation expense expected	0.0
Pacific Data Partners, LLC Agreement Plan \| Pacific Data Partners LLC \| 2025
Share-based compensation
Future share-based compensation expense expected	$ 0.0

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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