Segment Information (Net Sales) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 775,204	$ 739,999	$ 1,483,480	$ 1,421,463
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	445,031	446,412	842,382	832,180
United Kingdom [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	238,201	212,312	460,646	432,463
All Other [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 91,972	$ 81,275	$ 180,452	$ 156,820