Restructuring (Schedule of Beginning and End Liability Balance and Expense by Type) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Severance Expense [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	$ 2,508
Costs charged to expense	713
Costs paid or otherwise settled	(3,221)
Restructuring reserve, ending balance	0
Severance Expense [Member] | Direct Operating Expense [Member]
Restructuring Reserve [Roll Forward]
Costs charged to expense	410
Severance Expense [Member] | General and administrative [Member]
Restructuring Reserve [Roll Forward]
Costs charged to expense	148
Severance Expense [Member] | Loss from discontinued operations, net of tax [Member]
Restructuring Reserve [Roll Forward]
Costs charged to expense	155
Other Expenses [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	1,418
Costs charged to expense	435
Costs paid or otherwise settled	(1,853)
Restructuring reserve, ending balance	0
Other Expenses [Member] | Direct Operating Expense [Member]
Restructuring Reserve [Roll Forward]
Costs charged to expense	0
Other Expenses [Member] | General and administrative [Member]
Restructuring Reserve [Roll Forward]
Costs charged to expense	0
Other Expenses [Member] | Loss from discontinued operations, net of tax [Member]
Restructuring Reserve [Roll Forward]
Costs charged to expense	$ 435