Business Acquisition (Tables)

12 Months Ended

Dec. 31, 2012

Dec. 31, 2010

Business Acquisition [Line Items]

Schedule of Purchase Price Allocation [Table Text Block]

The following table summarizes the allocation of the purchase consideration as follows (in thousands):

Asset	Valuation
Accounts Receivable	$	3,969
Property and Equipment		4,262
Technology		2,600
Other Assets		2,122
Customer Relationships		35,832
Trade Name		27,741
Non-Compete Agreements		2,588
Goodwill		195,633
Deferred Revenue		(6,683	)
Accounts Payable and Other		(7,743	)
Deferred Tax Liability, net		(12,408	)
Total	$	247,913

Business Acquisition, Pro Forma Information [Table Text Block]

The supplemental information on an unaudited pro forma financial basis presents the combined results of j2 Global and its 2012 acquisitions as if each acquisition had occurred on January 1, 2011 (in thousands, except per share amounts):

	Year ended
	December 31, 2012		December 31, 2011
	(unaudited)		(unaudited)
Revenues	$	417,250	$	385,974
Net Income	$	120,210	$	114,889
EPS - Basic	$	2.60	$	2.47
EPS - Diluted	$	2.58	$	2.44

The supplemental information on an unaudited pro forma financial basis presents the combined results of j2 Global and its 2010 acquisitions as if the acquisitions had occurred on January 1, 2009 (in thousands, except per share amounts):

	Year ended
	December 31, 2010		December 31, 2009
	(unaudited)		(unaudited)
Revenues	$	332,623	$	325,219
Net Income	$	92,659	$	75,951
EPS - Basic	$	2.08	$	1.73
EPS - Diluted	$	2.02	$	1.68

Ziff Davis, Inc [Member]

Business Acquisition [Line Items]

Schedule of Purchase Price Allocation [Table Text Block]

The following table summarizes the allocation of the purchase consideration (including the portion allocable to the minority interest) as follows (in thousands):

Asset	Valuation
Accounts Receivable	$	14,450
Property and Equipment		842
Software		4,780
Other Assets		1,283
Deferred Tax Asset		1,139
Trade Name		37,730
Customer Relationship		5,380
Advertiser Relationship		14,500
Licensing Relationship		4,910
Other Intangibles		2,540
Goodwill		112,882
Total	$	200,436

Protus Ip Solutions Inc [Member]

Business Acquisition [Line Items]

Schedule of Purchase Price Allocation [Table Text Block]

The following table summarizes the allocation of the Protus purchase consideration as follows (in thousands):

Asset	Valuation
Accounts Receivable	$	2,338
Property and Equipment		3,137
Technology		2,600
Other Assets		1,812
Customer Relationship		29,640
Trade Name		26,982
Non-Compete Agreements		1,576
Goodwill		164,498
Deferred Revenue		(4,928	)
Accounts Payable		(1,219	)
Accrued Liabilities		(5,295	)
Deferred Tax Liability, net		(13,796	)
Total	$	207,345