Restricted Net Assets (Details) - China - Subsidiaries [Member] - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Restricted Statutory Reserves [Line Items]
Foreign subsidiaries, restricted statutory reserves	$ 209.5	$ 184.3
Foreign subsidiaries, restricted statutory reserves percent of parent consolidated net assets	64.40%	62.80%
Minimum
Restricted Statutory Reserves [Line Items]
Foreign subsidiaries, minimum percent of after-tax profit required annually in statutory reserves	10.00%
Maximum
Restricted Statutory Reserves [Line Items]
Foreign subsidiaries, statutory reserves maximum cumulative amount as a percent of registered capital	50.00%