Segment Information Reportable Segment Information (Total Assets, Capital Expenditures, Depreciation And Amortization) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total assets	$ 1,726,809		$ 1,726,809		$ 1,705,202
Property, Plant and Equipment, Additions			6,955	$ 4,631
Depreciation, Depletion and Amortization, Nonproduction	21,894	$ 15,317	43,181	28,455
Business Cloud Services Segment [Member]
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total assets	933,702		933,702		883,587
Property, Plant and Equipment, Additions			3,477	2,803
Depreciation, Depletion and Amortization, Nonproduction	14,758	10,026	28,772	18,058
Digital Media Segment [Member]
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total assets	385,365		385,365		378,381
Property, Plant and Equipment, Additions			3,296	1,618
Depreciation, Depletion and Amortization, Nonproduction	6,944	5,105	14,024	10,023
Operating Segments [Member]
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total assets	1,319,067		1,319,067		1,261,968
Property, Plant and Equipment, Additions			6,773	4,421
Depreciation, Depletion and Amortization, Nonproduction	21,702	15,131	42,796	28,081
Corporate [Member]
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total assets	407,742		407,742		$ 443,234
Property, Plant and Equipment, Additions			182	210
Depreciation, Depletion and Amortization, Nonproduction	$ 192	$ 186	$ 385	$ 374