Computer Software, net - Estimated Future Amortization Expense (Details) $ in Thousands	Dec. 31, 2016 USD ($)
Licensed computer software
Finite-Lived Intangible Assets [Line Items]
2017	$ 42,937
2018	34,142
2019	21,071
2020	17,010
2021	9,293
Software development costs
Finite-Lived Intangible Assets [Line Items]
2017	23,777
2018	18,225
2019	13,414
2020	9,646
2021	6,787
Acquisition technology intangibles
Finite-Lived Intangible Assets [Line Items]
2017	28,268
2018	25,793
2019	25,793
2020	20,134
2021	$ 3,600

Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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