Fair Value Measurements (Financial Liabilities Measured At Fair Value On Recurring Basis Using Significant Unobservable Inputs) (Details) (Acquisition-related contingent consideration [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Acquisition-related contingent consideration [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	$ 8,503	$ 4,024	$ 4,747	$ 8,924
Amounts acquired	4,800	0	8,500	0
Amounts settled	0	0	0	(5,000)
Transfers (in) and/or out of Level 3	0	0	0	0
Changes in fair value recorded in earnings	14	63	70	163
Ending Balance	$ 13,317	$ 4,087	$ 13,317	$ 4,087