Segment Information (Net Sales) (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 708,276	$ 681,464
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	397,351	385,768
United Kingdom [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	222,445	220,151
All Other [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 88,480	$ 75,545