Summary Of Business And Significant Accounting Policies (Reconciliation Of Items Measured At Fair Value On Recurring Basis) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Gains or losses included in earnings:
Losses on revaluation of contingent consideration	$ (100)	$ (100)	$ (100)	$ 200
Contingent Consideration - BCI [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balances, Beginning			2,705
Gains or losses included in earnings:
Losses on revaluation of contingent consideration			92
Payment of contingent consideration			(2,070)
Balances, Ending	$ 727		727
Contingent Consideration - CBS [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balances, Beginning			1,170
Gains or losses included in earnings:
Losses on revaluation of contingent consideration			7
Payment of contingent consideration			$ (1,177)