Segment Information (Long-lived Assets) (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Jun. 30, 2016
Segment Reporting Information [Line Items]
Long-lived assets	$ 428,527	$ 442,723
United States [Member]
Segment Reporting Information [Line Items]
Long-lived assets	195,605	193,192
United Kingdom [Member]
Segment Reporting Information [Line Items]
Long-lived assets	178,074	196,271
All Other [Member]
Segment Reporting Information [Line Items]
Long-lived assets	$ 54,848	$ 53,260