Segment Information (Long-lived Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Jun. 30, 2016
Segment Reporting Information [Line Items]
Long-lived assets	$ 422,987	$ 442,723
United States [Member]
Segment Reporting Information [Line Items]
Long-lived assets	196,522	193,192
United Kingdom [Member]
Segment Reporting Information [Line Items]
Long-lived assets	174,460	196,271
All Other [Member]
Segment Reporting Information [Line Items]
Long-lived assets	$ 52,005	$ 53,260