Restructuring Charges, Net of Reversals and Impairment (Narratives) (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Restructuring Cost And Reserve [Line Items]
Restructuring charges, net of reversals and impairment	$ 6,622		$ 474	$ 12,759	$ 1,282
Facility related charges	3,900			7,900
Severance and benefits charges	2,700			$ 4,900
Impairment of long-lived assets	900
Impairment of other charges	200
Non-Cancelable Lease Payments
Restructuring Cost And Reserve [Line Items]
Restructuring charges related to exited facilities		$ 3,900
Charges for impairment of right-of-use assets	$ 2,800