Goodwill And Other Intangible Assets (Schedule Of Change In Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012
Goodwill, beginning balance	$ 1,239,120
Additions	272,381
Other	(7,128)
Goodwill, ending balance	1,504,373
Enterprise Division [Member]
Goodwill, beginning balance	956,504
Additions	245,900	[1]
Other	(53,949)	[2]
Goodwill, ending balance	1,148,455
Online Services Division [Member]
Goodwill, beginning balance	282,616
Additions	26,481
Other	46,821	[2]
Goodwill, ending balance	$ 355,918

[1] Amount primarily relates to acquisitions. See Note 4 for more information regarding the Company’s acquisitions.

[2] Amount primarily relates to reclassification of goodwill between segments. In the first quarter of 2012, the Company transferred the business acquired in its acquisition of ShareFile from its Enterprise division to its Online Services division. Also included in the Online Services division is foreign currency translation. See Note 4 for more information regarding the Company's acquisitions and Note 9 for more information regarding the Company's segments.