Acquisitions - Schedule of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Jun. 30, 2021	Apr. 01, 2021	Feb. 09, 2021	Jun. 30, 2020	Jun. 30, 2019
Current assets:
Goodwill	$ 210.1			$ 39.1	$ 4.3
Aquido, Inc.
Current assets:
Developed technology			$ 44.2
Goodwill			25.0
Other assets			3.3
Total assets			72.5
Current liabilities:
Current liabilities			(3.3)
Deferred tax liability			(11.5)
Total liabilities			(14.8)
Net assets acquired			$ 57.7
Precor Inc.
Current assets:
Accounts receivable		$ 50.2
Inventories		99.1
Prepaid expenses and other current assets		6.5
Total current assets		155.8
Property and equipment		23.8
Developed technology		180.1
Goodwill		135.0
Operating lease right-of-use assets		20.3
Deferred tax asset		0.9
Other assets		0.7
Total assets		516.6
Current liabilities:
Accounts payable and accrued expenses		(60.1)
Customer deposits and deferred revenue		(11.5)
Operating lease liabilities, current		(6.2)
Other current liabilities		(2.8)
Current liabilities		(80.6)
Operating lease liabilities, non-current		(13.6)
Other non-current liabilities		(10.4)
Total liabilities		(104.6)
Net assets acquired		$ 412.0