Segment Information (Long-lived Assets) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016
Segment Reporting Information [Line Items]
Long lived assets	$ 423,074	$ 442,723
United States
Segment Reporting Information [Line Items]
Long lived assets	194,348	193,192
United Kingdom
Segment Reporting Information [Line Items]
Long lived assets	165,396	196,271
All Other
Segment Reporting Information [Line Items]
Long lived assets	$ 63,330	$ 53,260