Goodwill And Other Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2018	Jun. 30, 2018
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives		3 years
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives		25 years
Tradenames [Member]
Finite-Lived Intangible Assets [Line Items]
Long-lived asset impairment	$ 17,900		$ 5,632
United States [Member] | Tradenames [Member]
Finite-Lived Intangible Assets [Line Items]
Long-lived asset impairment	11,300		532
United Kingdom [Member] | Tradenames [Member]
Finite-Lived Intangible Assets [Line Items]
Long-lived asset impairment	2,787		$ 5,100
Rest of World [Member] | Tradenames [Member]
Finite-Lived Intangible Assets [Line Items]
Long-lived asset impairment	$ 3,813