Fair Value Measurements (Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) (Recurring, USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Assets
Deferred compensation	$ 6,878	$ 6,535
Total Assets	6,878	6,535
Liabilities
Contingent consideration	8,442	7,414
Deferred compensation	10,711	9,673
Total Liabilities	19,153	17,087
Level 1
Assets
Deferred compensation	6,878	6,535
Total Assets	6,878	6,535
Liabilities
Contingent consideration	0	0
Deferred compensation	10,711	9,673
Total Liabilities	10,711	9,673
Level 2
Assets
Deferred compensation	0	0
Total Assets	0	0
Liabilities
Contingent consideration	0	0
Deferred compensation	0	0
Total Liabilities	0	0
Level 3
Assets
Deferred compensation	0	0
Total Assets	0	0
Liabilities
Contingent consideration	8,442	7,414
Deferred compensation	0	0
Total Liabilities	$ 8,442	$ 7,414