Segment Information Reportable Segment Information (Total Assets, Capital Expenditures, Depreciation And Amortization) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total assets	$ 1,771,834		$ 1,783,719
Property, Plant and Equipment, Additions	4,321	$ 2,956
Depreciation, Depletion and Amortization, Nonproduction	27,174	21,287
Business Cloud Services Segment [Member]
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total assets	1,038,792		1,017,676
Property, Plant and Equipment, Additions	1,121	1,280
Depreciation, Depletion and Amortization, Nonproduction	17,502	14,013
Digital Media Segment [Member]
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total assets	393,840		427,647
Property, Plant and Equipment, Additions	3,200	1,622
Depreciation, Depletion and Amortization, Nonproduction	9,672	7,080
Operating Segments [Member]
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total assets	1,432,632		1,445,323
Property, Plant and Equipment, Additions	4,321	2,902
Depreciation, Depletion and Amortization, Nonproduction	27,174	21,093
Corporate [Member]
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total assets	339,202		$ 338,396
Property, Plant and Equipment, Additions	0	54
Depreciation, Depletion and Amortization, Nonproduction	$ 0	$ 194