Nature Of Operations And Accounting Policies (Schedule Of Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross, Beginning Balance	$ 43,426	$ 52,764
Acquired intangible assets	1,599	4,057
Finite-lived Intangible Assets, Translation and Purchase Accounting Adjustments	(132)	152
Fully amortized intangible assets	(5,209)	(561)
Intangible Assets, Gross, Ending Balance	39,684	43,426	52,764
Accumulated Amortization, Beginning Balance	28,121	31,236
Amortization expense	4,349	5,629	4,800
Fully amortized intangible assets, Accumulated Amortization	5,209	561
Accumulated Amortization, Ending Balance	27,261	28,121	31,236
Weighted average remaining contractual life, in years	5 years 1 month 17 days
Non-Compete Agreements
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross, Beginning Balance	40	901
Acquired intangible assets	0	0
Finite-lived Intangible Assets, Translation and Purchase Accounting Adjustments	0	0
Fully amortized intangible assets	0	(561)
Intangible Assets, Gross, Ending Balance	40	40
Accumulated Amortization, Beginning Balance	25	719
Amortization expense	8	135
Fully amortized intangible assets, Accumulated Amortization	0	561
Accumulated Amortization, Ending Balance	33	25
Weighted average remaining contractual life, in years	11 months 1 day
Trademark/Tradenames
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross, Beginning Balance	8,424	9,136
Acquired intangible assets	74	0
Finite-lived Intangible Assets, Translation and Purchase Accounting Adjustments	0	0
Fully amortized intangible assets	(437)	0
Intangible Assets, Gross, Ending Balance	8,061	8,424
Accumulated Amortization, Beginning Balance	3,983	3,722
Amortization expense	984	611
Fully amortized intangible assets, Accumulated Amortization	437	0
Accumulated Amortization, Ending Balance	4,530	3,983
Weighted average remaining contractual life, in years	6 years 5 months 1 day
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross, Beginning Balance	26,587	36,350
Acquired intangible assets	1,525	1,621
Finite-lived Intangible Assets, Translation and Purchase Accounting Adjustments	0	0
Fully amortized intangible assets	0	0
Intangible Assets, Gross, Ending Balance	28,112	26,587
Accumulated Amortization, Beginning Balance	19,014	22,476
Amortization expense	2,454	3,739
Fully amortized intangible assets, Accumulated Amortization	0	0
Accumulated Amortization, Ending Balance	21,468	19,014
Weighted average remaining contractual life, in years	4 years 9 months 14 days
Software/Technology
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross, Beginning Balance	0	590
Acquired intangible assets	0	0
Finite-lived Intangible Assets, Translation and Purchase Accounting Adjustments	0	0
Fully amortized intangible assets		0
Intangible Assets, Gross, Ending Balance	0	0
Accumulated Amortization, Beginning Balance	0	246
Amortization expense	0	118
Fully amortized intangible assets, Accumulated Amortization	0	0
Accumulated Amortization, Ending Balance	0	0
Weighted average remaining contractual life, in years	0 years
Acquired Contractual Rights
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross, Beginning Balance	8,375	5,787
Acquired intangible assets	0	2,436
Finite-lived Intangible Assets, Translation and Purchase Accounting Adjustments	(132)	152
Fully amortized intangible assets	(4,772)	0
Intangible Assets, Gross, Ending Balance	3,471	8,375
Accumulated Amortization, Beginning Balance	5,099	4,073
Amortization expense	903	1,026
Fully amortized intangible assets, Accumulated Amortization	4,772	0
Accumulated Amortization, Ending Balance	1,230	5,099
Weighted average remaining contractual life, in years	4 years 1 month 6 days
ORM Transaction
Finite-Lived Intangible Assets [Line Items]
Disposal of Intangible Assets		(12,986)
Disposal of Intangible Assets, Accumulated Amortization		8,183
ORM Transaction | Non-Compete Agreements
Finite-Lived Intangible Assets [Line Items]
Disposal of Intangible Assets		(300)
Disposal of Intangible Assets, Accumulated Amortization		268
ORM Transaction | Trademark/Tradenames
Finite-Lived Intangible Assets [Line Items]
Disposal of Intangible Assets		(712)
Disposal of Intangible Assets, Accumulated Amortization		350
ORM Transaction | Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Disposal of Intangible Assets		(11,384)
Disposal of Intangible Assets, Accumulated Amortization		7,201
ORM Transaction | Software/Technology
Finite-Lived Intangible Assets [Line Items]
Disposal of Intangible Assets		(590)
Disposal of Intangible Assets, Accumulated Amortization		364
ORM Transaction | Acquired Contractual Rights
Finite-Lived Intangible Assets [Line Items]
Disposal of Intangible Assets		0
Disposal of Intangible Assets, Accumulated Amortization		$ 0