Segment Information (Long-lived Assets) (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Jun. 30, 2016
Segment Reporting Information [Line Items]
Long-lived assets	$ 433,830	$ 442,723
United States [Member]
Segment Reporting Information [Line Items]
Long-lived assets	195,896	193,192
United Kingdom [Member]
Segment Reporting Information [Line Items]
Long-lived assets	183,338	196,271
All Other [Member]
Segment Reporting Information [Line Items]
Long-lived assets	$ 54,596	$ 53,260