Fair Value (Schedule Of Acquisition-Related Contingent Consideration Measured At Fair Value On A Recurring Basis) (Details) - Angelic [Member] - USD ($) $ in Thousands	Sep. 30, 2017	Jun. 30, 2017	Nov. 17, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Acquisition-related contingent consideration	$ 15,516	$ 15,028	$ 13,900
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Acquisition-related contingent consideration	0	0
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Acquisition-related contingent consideration	0	0
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Acquisition-related contingent consideration	$ 15,516	$ 15,028