Segment Information (Long-lived Assets) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2018
Segment Reporting Information [Line Items]
Long lived assets	$ 376,687	$ 360,564
United States
Segment Reporting Information [Line Items]
Long lived assets	115,866	99,650
United Kingdom
Segment Reporting Information [Line Items]
Long lived assets	173,544	174,214
All Other
Segment Reporting Information [Line Items]
Long lived assets	$ 87,277	$ 86,700