Business Combinations (Details) (USD $)	3 Months Ended			9 Months Ended				9 Months Ended	0 Months Ended	1 Months Ended				0 Months Ended	8 Months Ended	9 Months Ended													9 Months Ended
	Sep. 30, 2012		Sep. 30, 2011	Sep. 30, 2012		Sep. 30, 2011	Dec. 31, 2011	Sep. 30, 2012 BSI, TAIMMA, FINTECHNIX, PLANETSOFT, TRISYSTEMS [Member] Companies	Jun. 02, 2012 Planetsoft	Jun. 30, 2012 Planetsoft	Jun. 02, 2012 Planetsoft Customer Relationships [Member]	Jun. 02, 2012 Planetsoft Technology [Member]	Jun. 02, 2012 Planetsoft Final Allocation [Member]	Feb. 07, 2011 ADAM	Sep. 30, 2011 ADAM	Sep. 30, 2012 ADAM	Feb. 07, 2011 ADAM Unexercised Stock Options [Member]	Feb. 07, 2011 ADAM Customer Relationships [Member]	Feb. 07, 2011 ADAM Technology [Member]	Feb. 07, 2011 ADAM Trademarks [Member]	Feb. 07, 2011 ADAM Final Allocation [Member]	Sep. 30, 2012 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Planetsoft	Jun. 02, 2012 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Planetsoft	May 31, 2012 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Planetsoft	Sep. 30, 2012 Contingent Accrued Earn-out Acquisition Consideration [Member]		Sep. 30, 2011 Contingent Accrued Earn-out Acquisition Consideration [Member]		Sep. 30, 2012 Secured Syndicated Credit Facility [Member]
Business Acquisition [Line Items]
Document Period End Date				Sep. 30, 2012																									Sep. 30, 2012
Number of Businesses Acquired								5
DerivativeFinancialInstrumentLiabilitesFairValueDisclosureNonCurrent																									$ 23,700,000
DerivativeFinancialInstrumentLiabilitesFairValueDisclosureCurrent																									6,200,000
Business acquisition, termination fee received for failed acquisition				971,000
Business acquisition, cost of acquired entity, cash paid									35,000,000								944,000
Business acquisition, number of common shares issued									296,560					3,650,000
Business acquisition, price per share									$ 16.86
Share subscribed for business acquisition, Value				5,000,000					5,000,000
Put option, exercise period										30 days
Put option, vesting period required prior to exercise										2 years
Put option, price to repurchase shares, discount										10.00%
Put option liability	700,000			700,000			0															700,000	1,400,000	1,400,000
Business acquisition, purchase price allocation, goodwill													49,400,000								60,100,000
Business acquisition, purchase price allocation, intangible assets (excluding goodwill)											11,100,000	540,000						15,400,000	2,100,000	2,000,000
Business acquisition, fair value of contingent consideration									16,300,000
Fair value of equity issued in business acquisition									5,000,000					87,500,000
Business acquisition, acquiree revenue since acquisition date															16,900,000
Revenue	53,804,000		42,602,000	145,347,000		124,919,000										18,000,000
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	$ 29,967,000	[1]		$ 29,967,000	[1]		$ 7,590,000																		$ 29,967,000	[1]	$ 7,590,000	[1]

[1] Short term position of $6.23 million is recorded in Accounts payable and accrued liabilities in the current liability section of the Condensed Consolidated Balance Sheets