Fair Value Of Financial Instruments Fair Value Of Financial Instruments (Assets Measured on Recurring Basis, Unobservable Input Reconciliation) (Details) (USD $)	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2013 Fair Value, Inputs, Level 3 [Member]	Sep. 30, 2013 Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2012 Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Business Combination, Contingent Consideration, Liability			$ 4,000,000	$ 2,600,000	$ 5,856,000	$ 4,256,000
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	0	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings	0	0
Fair Value, Measurements with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases, (Sales), Issuances, (Settlements)	1,400,000	(1,600,000)
Business Combination, Contingent Consideration, Liability			4,000,000	2,600,000	5,856,000	4,256,000
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings	$ 0	$ 0