Fair Value Measurements (Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) (Recurring, USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Assets
Deferred compensation	$ 7,388	$ 6,535
Total assets	7,388	6,535
Liabilities
Contingent consideration	8,129	7,414
Deferred compensation	11,478	9,673
Total liabilities	19,607	17,087
Level 1
Assets
Deferred compensation	7,388	6,535
Total assets	7,388	6,535
Liabilities
Contingent consideration	0	0
Deferred compensation	11,478	9,673
Total liabilities	11,478	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	8,129	7,414
Deferred compensation	0	0
Total liabilities	$ 8,129	$ 7,414