Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Mar. 31, 2018
Income Tax Disclosure [Line Items]
Reduction of U.S. tax liability on undistributed foreign earnings	$ (6,900)
U.S. federal statutory income tax rate			31.50%
Measurement period taxes	1 year
Income taxes	$ (5,399)	$ (463)
Tax benefit - dividend tax reversal [Member]
Income Tax Disclosure [Line Items]
Effective income tax rate	27.00%
Income taxes	$ 1,500
Tax benefit - discrete items [Member]
Income Tax Disclosure [Line Items]
Effective income tax rate		34.00%
Income taxes		$ 1,000
Prior to Tax Cuts and Jobs Act [Member]
Income Tax Disclosure [Line Items]
U.S. federal statutory income tax rate	35.00%
Subsequent to Tax Cuts and Jobs Act [Member]
Income Tax Disclosure [Line Items]
U.S. federal statutory income tax rate	21.00%