Goodwill and Other Intangible Assets Other Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value, Intangible Assets	$ 141,094	$ 138,566
Accumulated Amortization, Intangible Assets	111,545	102,083
Net Carrying Value, Intangible Assets	29,549	36,483
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value, Intangible Assets	53,130	52,204
Accumulated Amortization, Intangible Assets	46,775	43,725
Net Carrying Value, Intangible Assets	6,355	8,479
Merchant relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value, Intangible Assets	9,737	9,648
Accumulated Amortization, Intangible Assets	8,412	8,064
Net Carrying Value, Intangible Assets	1,325	1,584
Trade names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value, Intangible Assets	11,109	11,013
Accumulated Amortization, Intangible Assets	8,030	7,396
Net Carrying Value, Intangible Assets	3,079	3,617
Developed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value, Intangible Assets	36,364	37,103
Accumulated Amortization, Intangible Assets	27,649	25,436
Net Carrying Value, Intangible Assets	8,715	11,667
Brand Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value, Intangible Assets	7,960	7,960
Accumulated Amortization, Intangible Assets	3,869	3,073
Net Carrying Value, Intangible Assets	4,091	4,887
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value, Intangible Assets	22,794	20,638
Accumulated Amortization, Intangible Assets	16,810	14,389
Net Carrying Value, Intangible Assets	$ 5,984	$ 6,249