Segment Information (Net Sales) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 584,156	$ 616,232	$ 1,144,989	$ 1,205,451
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	272,260	286,059	528,290	564,353
United Kingdom [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	225,338	238,201	443,915	460,646
All Other [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 86,558	$ 91,972	$ 172,784	$ 180,452